ABCDEFGHIJKLMNOPQRSTUVWXYZ
c* (1)
 Data2: Arsenic
 
c*1 (2)
 Glossary: Centigrade (celsius)
 Glossary: Fahrenheit
 
c+ (1)
 Atomic data: Carbon
 
c+2 (1)
 Data2: Carbon
 
c+4 (1)
 Data2: Carbon
 
c10h14n5o8p (1)
 Compounds: Sodium
 
c11h17n2nao2s (1)
 Compounds: Sodium
 
c12 (1)
 Data1: Rutherfordium
 
c12h22cuo14 (1)
 Compounds: Copper
 
c12h22o14zn (1)
 Data1: Zinc
 
c12h6n2o8ssr2 (1)
 Compounds: Strontium
 
c12h8n2 (1)
 Reactions: Iron
 
c13 (1)
 Data1: Rutherfordium
 
c15h35o2 (1)
 Compounds: Zinc
 
c1734 (1)
 Data1: Platinum
 
c17h24o16 (1)
 Glossary: Acid
 
c17h35coona (1)
 Compounds: Sodium
 
c18h35o2 (1)
 Compounds: Aluminium
 
c18h36o2 (1)
 Glossary: Acid
 
c2 (1)
 Glossary: Electron Volt
 
c20 (1)
 Allotrope: Carbon
 
c20h35auo9ps+ (1)
 Compounds: Gold
 
c2952h4664n812o832s8fe4 (1)
 Compounds: Iron
 
c2f6 (1)
 Reactions: Carbon
 
c2h2 (5)
 Data2: Chlorine
 Data2: Copper
 Data2: Iodine
 Data2: Mercury
 Data2: Silver
 
c2h2o4 (2)
 Data2: Silver
 Glossary: Acid
 
c2h4br2 (1)
 Data1: Bromine
 
c2h4o (1)
 Data2: Iodine
 
c2h4o2 (1)
 Glossary: Acid
 
c2h5 (1)
 Compounds: Selenium
 
c2h5coo (1)
 Compounds: Sodium
 
c2h5n (1)
 Data2: Silver
 
c2h5oh (2)
 Data1: Hydrogen
 Data1: Plutonium
 
c2h6 (1)
 Data2: Platinum
 
c2o42 (1)
 Reactions: Mercury
 
c36h70mgo4 (1)
 Compounds: Magnesium
 
c3h6o3 (1)
 Glossary: Acid
 
c3h8no5p (1)
 Compounds: Phosphorus
 
c4h10fo2p (1)
 Compounds: Phosphorus
 
c4h18nnao10p2 (1)
 Compounds: Phosphorus
 
c4h3aunao4s (1)
 Compounds: Gold
 
c4h6o4pd (1)
 Compounds: Palladium
 
c4h6o6 (2)
 Data2: Silver
 Glossary: Acid
 
c5f12 (1)
 Reactions: Carbon
 
c6 (1)
 Reactions: Carbon
 
c60 (1)
 Allotrope: Carbon
 
c63h88con14o14p (1)
 Compounds: Cobalt
 
c6h12o6 (1)
 Glossary: Endothermic
 
c6h4 (1)
 Reactions: Carbon
 
c6h4o2 (1)
 Reactions: Carbon
 
c6h5coona (1)
 Compounds: Sodium
 
c6h5oh (2)
 On This Day... 5 April
 On This Day... 7 December
 
c6h6 (1)
 Glossary: Aromatic
 
c6h7o2k (1)
 Compounds: Potassium
 
c6h8o2 (1)
 Glossary: Acid
 
c6h8o6 (1)
 Glossary: Acid
 
c6h8o7 (1)
 Glossary: Acid
 
c6hn3o8pb (1)
 Compounds: Lead
 
c76h52o46 (1)
 Glossary: Acid
 
c7h5bio4 (1)
 Compounds: Bismuth
 
c8h12n2o4pt (1)
 Compounds: Platinum
 
c9h23no7p2 (1)
 Compounds: Phosphorus
 
ca (23)
 Atomic data: Calcium
 Compounds: Calcium
 Compounds: Chlorine
 Country: Outer space
 Data1: Calcium
 Data1: Dysprosium
 Data1: Erbium
 Data1: Niobium
 Data1: Scandium
 Data1: Terbium
 Data1: Thulium
 Data1: Ununhexium
 Glossary: Doubly Magic
 Isotope: Argon
 Isotope: Calcium
 Isotope: Magnesium
 Isotope: Potassium
 Isotope: Scandium
 Production: Cerium
 Production: Niobium
 Production: Terbium
 Reactions: Calcium
 Spectrum: Calcium
 
ca+ (1)
 Atomic data: Calcium
 
ca+2 (1)
 Data2: Calcium
 
ca2+ (1)
 Reactions: Calcium
 
ca3 (1)
 Compounds: Phosphorus
 
ca3n2 (1)
 Reactions: Calcium
 
ca3p2 (1)
 Compounds: Phosphorus
 
ca5 (3)
 Compounds: Calcium
 Data1: Fluorine
 Data1: Phosphorus
 
cab (1)
 Biography: Pierre Curie
 
cable (1)
 Data1: Antimony
 
cables (1)
 Compounds: Magnesium
 
cabr2 (1)
 Reactions: Calcium
 
cacl2 (4)
 Compounds: Calcium
 Production: Magnesium
 Production: Uranium
 Reactions: Calcium
 
caco3 (4)
 Compounds: Calcium
 Data1: Calcium
 Production: Iron
 Production: Magnesium
 
cacodyl (1)
 Biography: Robert Wilhelm Bunsen
 
cadet (1)
 Biography: Robert Wilhelm Bunsen
 
cadiz (1)
 On This Day... 11 January
 
cadmia (1)
 Data1: Cadmium
 
cadmio (1)
 Names: Cadmium
 
cadmium (43)
 Atomic data: Cadmium
 Biography: Friedrich Stromeyer
 Compounds: Cadmium
 Compounds: Zinc
 Country: Australia
 Country: Brazil
 Country: Bulgaria
 Country: Canada
 Country: China
 Country: Democratic People's Republic of Korea
 Country: France
 Country: Germany
 Country: India
 Country: Japan
 Country: Kazakhstan
 Country: Mexico
 Country: Netherlands
 Country: Norway
 Country: Peru
 Country: Republic of Korea
 Country: Russia
 Country: United States of America
 Data1: Cadmium
 Data1: Lithium
 Data1: Nickel
 Data1: Tellurium
 Data2: Cadmium
 Data2: Selenium
 Data2: Tellurium
 Document: Abundance of the Elements in the Solar System
 Document: Chemical makeup of the human body
 Document: The Transition Metals (Groups 3 to 12)
 Isotope: Cadmium
 Isotope: Uranium
 MAC data: Cadmium
 Names: Cadmium
 On This Day... 2 August
 Production: Cadmium
 Production: Uranium
 Production: Zinc
 Reactions: Cadmium
 Reactions: Ununbium
 Spectrum: Cadmium
 
caesar (3)
 Biography: Julius Caesar Scaliger
 Data1: Platinum
 On This Day... 23 April
 
caesium (21)
 Biography: Gustav Robert Kirchhoff
 Biography: Robert Wilhelm Bunsen
 Compounds: Caesium
 Country: Canada
 Data1: Caesium
 Data1: Francium
 Data1: Gallium
 Data1: Xenon
 Data2: Caesium
 Data2: Silicon
 Document: Abundance of the Elements in the Solar System
 Glossary: Alkali Metal
 Glossary: Temperature
 Isotope: Caesium
 Names: Caesium
 Production: Caesium
 Production: Technetium
 Production: Tellurium
 Reactions: Caesium
 Reactions: Rubidium
 Spectrum: Caesium
 
caesius (1)
 Data1: Caesium
 
caf2 (27)
 Compounds: Fluorine
 Country: Argentina
 Country: Brazil
 Country: China
 Country: Democratic People's Republic of Korea
 Country: Egypt
 Country: France
 Country: Germany
 Country: India
 Country: Kenya
 Country: Kyrgyzstan
 Country: Mexico
 Country: Mongolia
 Country: Morocco
 Country: Namibia
 Country: Pakistan
 Country: Romania
 Country: Russia
 Country: South Africa
 Country: Spain
 Country: Thailand
 Country: Turkey
 Country: United Kingdom
 Country: Vietnam
 Data1: Calcium
 Data1: Fluorine
 Reactions: Calcium
 
caffeine (1)
 Data1: Plutonium
 
cage (1)
 Biography: Michael Faraday
 
cai2 (1)
 Reactions: Calcium
 
cailletet (1)
 On This Day... 21 September
 
cake (2)
 Data1: Antimony
 Production: Antimony
 
caking (1)
 Compounds: Silicon
 
calamine (3)
 Biography: Andreas Sigismund Marggraf
 Data1: Cadmium
 Data1: Zinc
 
calaverite (2)
 Data1: Tellurium
 Production: Tellurium
 
calcined (1)
 Production: Uranium
 
calcio (1)
 Names: Calcium
 
calcis (1)
 Data1: Calcium
 
calcite (1)
 Production: Calcium
 
calcium (146)
 Atomic data: Calcium
 Biography: Robert Wilhelm Bunsen
 Compounds: Bismuth
 Compounds: Calcium
 Compounds: Carbon
 Compounds: Chlorine
 Compounds: Copper
 Compounds: Phosphorus
 Compounds: Sodium
 Compounds: Strontium
 Country: Afghanistan
 Country: Algeria
 Country: Argentina
 Country: Australia
 Country: Austria
 Country: Azerbaijan
 Country: Bhutan
 Country: Brazil
 Country: Burma (Myanmar)
 Country: Canada
 Country: Chile
 Country: China
 Country: Colombia
 Country: Croatia
 Country: Cuba
 Country: Cyprus
 Country: Czech Republic
 Country: Democratic People's Republic of Korea
 Country: Dominican Republic
 Country: Ecuador
 Country: Egypt
 Country: El Salvador
 Country: Eritrea
 Country: Ethiopia
 Country: France
 Country: Georgia
 Country: Germany
 Country: Greece
 Country: Guatemala
 Country: Honduras
 Country: Hungary
 Country: India
 Country: Indonesia
 Country: Iran
 Country: Ireland
 Country: Israel
 Country: Italy
 Country: Jamaica
 Country: Jordan
 Country: Kenya
 Country: Kyrgyzstan
 Country: Laos
 Country: Latvia
 Country: Libya
 Country: Macedonia
 Country: Mauritania
 Country: Mexico
 Country: Moldova
 Country: Mongolia
 Country: Morocco
 Country: Namibia
 Country: Nicaragua
 Country: Niger
 Country: Oman
 Country: Outer space
 Country: Pakistan
 Country: Paraguay
 Country: Peru
 Country: Poland
 Country: Portugal
 Country: Romania
 Country: Russia
 Country: Saudi Arabia
 Country: Serbia
 Country: Slovakia
 Country: Somalia
 Country: South Africa
 Country: Spain
 Country: Sudan
 Country: Switzerland
 Country: Syria
 Country: Tanzania
 Country: Thailand
 Country: Tunisia
 Country: Turkey
 Country: Ukraine
 Country: United Kingdom
 Country: United States of America
 Country: Uzbekistan
 Country: Venezuela
 Country: Vietnam
 Data1: Barium
 Data1: Calcium
 Data1: Cerium
 Data1: Europium
 Data1: Fluorine
 Data1: Phosphorus
 Data1: Radium
 Data1: Thulium
 Data1: Tungsten
 Data1: Ununoctium
 Data1: Ununpentium
 Data1: Ununtrium
 Data2: Calcium
 Data2: Mercury
 Data2: Silicon
 Document: Abundance of the Elements in the Solar System
 Document: Chemical makeup of the human body
 Document: The Alkaline Earth Metals (Group 2)
 Glossary: Alkali Metal (alkaline-earth metals)
 Glossary: Deliquescent
 Glossary: Desiccant
 Glossary: Doubly Magic
 Glossary: Refractory
 Isotope: Calcium
 Isotope: Strontium
 MAC data: Calcium
 Names: Calcium
 On This Day... 20 January
 Production: Aluminium
 Production: Arsenic
 Production: Calcium
 Production: Carbon
 Production: Europium
 Production: Fluorine
 Production: Gadolinium
 Production: Holmium
 Production: Iron
 Production: Magnesium
 Production: Phosphorus
 Production: Rubidium
 Production: Samarium
 Production: Sodium
 Production: Sulfur
 Production: Thulium
 Production: Tungsten
 Production: Ununhexium
 Production: Ununoctium
 Production: Ununpentium
 Production: Ununquadium
 Production: Ununtrium
 Production: Uranium
 Production: Vanadium
 Production: Yttrium
 Reactions: Calcium
 Spectrum: Calcium
 
calculate (1)
 Glossary: Temperature
 
calculated (96)
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Dysprosium
 Data2: Erbium
 Data2: Europium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iron
 Data2: Lanthanum
 Data2: Lawrencium
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Rhenium
 Data2: Rhodium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Samarium
 Data2: Scandium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 Glossary: Young's Modulus
 Production: Francium
 Production: Uranium
 
calculations (125)
 Atomic data: Actinium
 Atomic data: Aluminium
 Atomic data: Americium
 Atomic data: Antimony
 Atomic data: Argon
 Atomic data: Arsenic
 Atomic data: Astatine
 Atomic data: Barium
 Atomic data: Berkelium
 Atomic data: Beryllium
 Atomic data: Bismuth
 Atomic data: Bohrium
 Atomic data: Boron
 Atomic data: Bromine
 Atomic data: Cadmium
 Atomic data: Caesium
 Atomic data: Calcium
 Atomic data: Californium
 Atomic data: Carbon
 Atomic data: Cerium
 Atomic data: Chlorine
 Atomic data: Chromium
 Atomic data: Cobalt
 Atomic data: Copper
 Atomic data: Curium
 Atomic data: Darmstadtium
 Atomic data: Dubnium
 Atomic data: Dysprosium
 Atomic data: Einsteinium
 Atomic data: Erbium
 Atomic data: Europium
 Atomic data: Fermium
 Atomic data: Fluorine
 Atomic data: Francium
 Atomic data: Gadolinium
 Atomic data: Gallium
 Atomic data: Germanium
 Atomic data: Gold
 Atomic data: Hafnium
 Atomic data: Hassium
 Atomic data: Helium
 Atomic data: Holmium
 Atomic data: Hydrogen
 Atomic data: Indium
 Atomic data: Iodine
 Atomic data: Iridium
 Atomic data: Iron
 Atomic data: Krypton
 Atomic data: Lanthanum
 Atomic data: Lawrencium
 Atomic data: Lead
 Atomic data: Lithium
 Atomic data: Lutetium
 Atomic data: Magnesium
 Atomic data: Manganese
 Atomic data: Meitnerium
 Atomic data: Mendelevium
 Atomic data: Mercury
 Atomic data: Molybdenum
 Atomic data: Neodymium
 Atomic data: Neon
 Atomic data: Neptunium
 Atomic data: Nickel
 Atomic data: Niobium
 Atomic data: Nitrogen
 Atomic data: Nobelium
 Atomic data: Osmium
 Atomic data: Oxygen
 Atomic data: Palladium
 Atomic data: Phosphorus
 Atomic data: Platinum
 Atomic data: Plutonium
 Atomic data: Polonium
 Atomic data: Potassium
 Atomic data: Praseodymium
 Atomic data: Promethium
 Atomic data: Protactinium
 Atomic data: Radium
 Atomic data: Radon
 Atomic data: Rhenium
 Atomic data: Rhodium
 Atomic data: Roentgenium
 Atomic data: Rubidium
 Atomic data: Ruthenium
 Atomic data: Rutherfordium
 Atomic data: Samarium
 Atomic data: Scandium
 Atomic data: Seaborgium
 Atomic data: Selenium
 Atomic data: Silicon
 Atomic data: Silver
 Atomic data: Sodium
 Atomic data: Strontium
 Atomic data: Sulfur
 Atomic data: Tantalum
 Atomic data: Technetium
 Atomic data: Tellurium
 Atomic data: Terbium
 Atomic data: Thallium
 Atomic data: Thorium
 Atomic data: Thulium
 Atomic data: Tin
 Atomic data: Titanium
 Atomic data: Tungsten
 Atomic data: Ununbium
 Atomic data: Ununhexium
 Atomic data: Ununoctium
 Atomic data: Ununpentium
 Atomic data: Ununquadium
 Atomic data: Ununseptium
 Atomic data: Ununtrium
 Atomic data: Uranium
 Atomic data: Vanadium
 Atomic data: Xenon
 Atomic data: Ytterbium
 Atomic data: Yttrium
 Atomic data: Zinc
 Atomic data: Zirconium
 Biography: Henry Cavendish
 Biography: Jean Charles Galissard de Marignac
 Glossary: Brinell Hardness
 Glossary: Kelvin (absolute temperature)
 Glossary: Magic Number
 Glossary: Standard Temperature and Pressure (STP)
 Glossary: Young's Modulus
 
caldasite (1)
 Country: Russia
 
caledonia (3)
 Country: New Caledonia
 Data1: Nickel
 Production: Nickel
 
calibration (2)
 Data1: Technetium
 Isotope: Barium
 
caliche (2)
 Country: Chile
 Production: Iodine
 
calico (1)
 Compounds: Lead
 
california (48)
 Biography: Albert Ghiorso
 Biography: Dale R. Corson
 Biography: Edwin Mattison McMillan
 Biography: Emilio Gino Segre
 Biography: Glenn Theodore Seaborg
 Biography: Joseph W. Kennedy
 Biography: Philip Hauge Abelson
 Country: United States of America
 Data1: Astatine
 Data1: Berkelium
 Data1: Californium
 Data1: Curium
 Data1: Dubnium
 Data1: Einsteinium
 Data1: Europium
 Data1: Fermium
 Data1: Gold
 Data1: Lawrencium
 Data1: Mendelevium
 Data1: Neodymium
 Data1: Neptunium
 Data1: Nobelium
 Data1: Plutonium
 Data1: Potassium
 Data1: Rutherfordium
 Data1: Seaborgium
 Data1: Technetium
 Data1: Tungsten
 Glossary: Antiproton
 On This Day... 14 February
 On This Day... 16 January
 On This Day... 19 December
 On This Day... 20 December
 On This Day... 23 February
 On This Day... 24 January
 On This Day... 28 November
 On This Day... 30 April
 On This Day... 5 May
 On This Day... 8 January
 On This Day... 9 February
 On This Day... 9 September
 Production: Boron
 Production: Curium
 Production: Einsteinium
 Production: Lanthanum
 Production: Lawrencium
 Production: Nobelium
 Production: Potassium
 
californio (1)
 Names: Californium
 
californium (22)
 Atomic data: Californium
 Biography: Albert Ghiorso
 Biography: Glenn Theodore Seaborg
 Compounds: Californium
 Data1: Californium
 Data1: Lawrencium
 Data1: Ununoctium
 Data2: Californium
 Document: The Actinoid Series
 Glossary: Spontaneous Fission
 Isotope: Californium
 MAC data: Californium
 Names: Californium
 On This Day... 12 December
 On This Day... 9 February
 On This Day... 9 March
 Production: Californium
 Production: Lawrencium
 Production: Ununhexium
 Production: Ununoctium
 Reactions: Californium
 Spectrum: Californium
 
called (110)
 Allotrope: Arsenic
 Allotrope: Carbon
 Allotrope: Tin
 Allotrope: Ytterbium
 Biography: Antoine-Jerome Balard
 Biography: Antoine-Laurent de Lavoisier
 Biography: Carl Gustav Mosander
 Biography: Charles Hatchett
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Franz-Joseph Muller Freiherr von Reichenstein
 Biography: Friedrich Ernst Dorn
 Biography: Georges Urbain
 Biography: Henry Cavendish
 Biography: Ida Eva Tacke Noddack
 Biography: Joseph Priestley
 Biography: Louis Nicolas Vauquelin
 Biography: Michael Faraday
 Biography: Walter Noddack
 Biography: William Gregor
 Compounds: Chlorine
 Compounds: Cobalt
 Compounds: Fluorine
 Compounds: Hafnium
 Compounds: Hydrogen
 Compounds: Iodine
 Compounds: Nitrogen
 Compounds: Silver
 Compounds: Sodium
 Compounds: Titanium
 Compounds: Zirconium
 Data1: Actinium
 Data1: Antimony
 Data1: Arsenic
 Data1: Barium
 Data1: Beryllium
 Data1: Bohrium
 Data1: Cadmium
 Data1: Carbon
 Data1: Chlorine
 Data1: Copper
 Data1: Darmstadtium
 Data1: Erbium
 Data1: Fluorine
 Data1: Gadolinium
 Data1: Gallium
 Data1: Germanium
 Data1: Gold
 Data1: Hassium
 Data1: Helium
 Data1: Holmium
 Data1: Lanthanum
 Data1: Lawrencium
 Data1: Lutetium
 Data1: Magnesium
 Data1: Manganese
 Data1: Meitnerium
 Data1: Mercury
 Data1: Nickel
 Data1: Nitrogen
 Data1: Oxygen
 Data1: Platinum
 Data1: Polonium
 Data1: Potassium
 Data1: Radon
 Data1: Ruthenium
 Data1: Scandium
 Data1: Silver
 Data1: Sulfur
 Data1: Thorium
 Data1: Tin
 Data1: Tungsten
 Data1: Vanadium
 Data1: Ytterbium
 Document: The Lanthanoid Series
 Glossary: Alloy
 Glossary: Atomic Charge
 Glossary: Atomic Radius
 Glossary: Baryon
 Glossary: Base
 Glossary: Brinell Hardness
 Glossary: Doubly Magic
 Glossary: Emission Spectrum
 Glossary: Enthalpy Change of Fusion (Heat of Fusion)
 Glossary: Enzyme
 Glossary: Gamma Ray
 Glossary: Heat Capacity
 Glossary: Isotope
 Glossary: Lanthanides (old name)
 Glossary: Lanthanoids
 Glossary: Magnetic Ordering
 Glossary: Mass Number (A)
 Glossary: Mole
 Glossary: Specific heat
 Glossary: X-Rays
 Isotope: Hydrogen
 Isotope: Thulium
 Isotope: Uranium
 On This Day... 12 December
 On This Day... 12 January
 On This Day... 6 May
 Production: Arsenic
 Production: Fluorine
 Production: Hydrogen
 Production: Iron
 Production: Lanthanum
 Production: Tantalum
 Production: Technetium
 Production: Uranium
 Reactions: Carbon
 Reactions: Iron
 
calling (2)
 Data1: Aluminium
 Glossary: X-Rays
 
callow (1)
 Data1: Lanthanum
 
caloric (1)
 Biography: Sir Humphry Davy
 
calories (1)
 Glossary: Enthalpy Change of Vapourisation
 
calorimeter (1)
 Biography: Robert Wilhelm Bunsen
 
calorimetry (1)
 Biography: Adair Crawford
 
calvin (1)
 On This Day... 8 April
 
calvinism (1)
 Biography: Joseph Priestley
 
calx (1)
 Data1: Calcium
 
calyx (2)
 Data1: Calcium
 On This Day... 26 April
 
camborne (2)
 Country: United Kingdom
 Data1: Tin
 
cambridge (7)
 Biography: John William Strutt Rayleigh
 Biography: Lise Meitner
 Biography: Smithson Tennant
 Biography: William Gregor
 Biography: William Hyde Wollaston
 Data1: Plutonium
 Data1: Titanium
 
came (17)
 Biography: Andre Louis Debierne
 Biography: Antoine-Jerome Balard
 Biography: Clemens Alexander Winkler
 Biography: Dale R. Corson
 Biography: Ferdinand Frederic Henri Moissan
 Biography: John William Strutt Rayleigh
 Biography: Jöns Jacob Berzelius
 Biography: Karl Wilhelm Scheele
 Biography: Philip Hauge Abelson
 Biography: Robert Wilhelm Bunsen
 Compounds: Nitrogen
 Data1: Fluorine
 Data1: Gadolinium
 Data1: Iron
 Data1: Titanium
 Production: Cadmium
 Production: Fluorine
 
camera (6)
 Biography: William Hyde Wollaston
 Compounds: Fluorine
 Data1: Lanthanum
 Data1: Tantalum
 Data1: Yttrium
 Glossary: Gamma Ray
 
cameras (5)
 Compounds: Indium
 Compounds: Thorium
 Data1: Scandium
 Data1: Selenium
 Data1: Thorium
 
cameroon (1)
 Country: Cameroon
 
camg (5)
 Data1: Magnesium
 Production: Calcium
 Production: Carbon
 Production: Iron
 Production: Magnesium
 
camoo4 (1)
 Production: Molybdenum
 
camouflage (1)
 Data1: Chromium
 
campus (3)
 Biography: Dale R. Corson
 Data1: Lawrencium
 Production: Lawrencium
 
canada (41)
 Biography: Otto Hahn
 Country: Canada
 Country: United States of America
 Data1: Bismuth
 Data1: Carbon
 Data1: Cobalt
 Data1: Copper
 Data1: Darmstadtium
 Data1: Gold
 Data1: Indium
 Data1: Iridium
 Data1: Iron
 Data1: Magnesium
 Data1: Nickel
 Data1: Niobium
 Data1: Palladium
 Data1: Platinum
 Data1: Selenium
 Data1: Silicon
 Data1: Silver
 Data1: Tantalum
 Data1: Tellurium
 Data1: Ytterbium
 Data1: Zinc
 Production: Aluminium
 Production: Carbon
 Production: Cobalt
 Production: Helium
 Production: Indium
 Production: Molybdenum
 Production: Nickel
 Production: Niobium
 Production: Palladium
 Production: Platinum
 Production: Radium
 Production: Radon
 Production: Sulfur
 Production: Tantalum
 Production: Tellurium
 Production: Titanium
 Production: Uranium
 
canadian (2)
 Biography: Arthur Jeffrey Dempster
 On This Day... 14 August
 
canberra (2)
 Allotrope: Carbon
 Data1: Praseodymium
 
cancel (1)
 Biography: Michael Faraday
 
cancer (19)
 Allotrope: Carbon
 Biography: Joseph W. Kennedy
 Compounds: Samarium
 Data1: Arsenic
 Data1: Caesium
 Data1: Cobalt
 Data1: Iodine
 Data1: Iridium
 Data1: Plutonium
 Data1: Radium
 Data1: Radon
 Data1: Ruthenium
 Data1: Selenium
 Data1: Uranium
 Data1: Vanadium
 Glossary: Carcinogen
 Glossary: Gamma Ray
 Isotope: Iodine
 Isotope: Strontium
 
cancerous (2)
 Glossary: Gamma Ray
 Isotope: Strontium
 
cancers (1)
 Data1: Selenium
 
candidate (2)
 Compounds: Lutetium
 Data1: Technetium
 
candidates (1)
 Compounds: Hafnium
 
candidum (1)
 Data1: Lead
 
candles (2)
 Data1: Lead
 Production: Oxygen
 
canfieldite (1)
 Production: Tin
 
canned (3)
 Compounds: Tin
 Data1: Lead
 Data1: Tin
 
cannington (1)
 Country: Australia
 
cannister (1)
 Data1: Sodium
 
cannizzaro (1)
 On This Day... 13 July
 
cano (1)
 Data1: Indium
 
cans (5)
 Compounds: Tin
 Data1: Lead
 Data1: Magnesium
 Data1: Tin
 Production: Aluminium
 
canyon (2)
 Allotrope: Carbon
 Isotope: Strontium
 
cao (4)
 Compounds: Calcium
 Document: The Alkaline Earth Metals (Group 2)
 Production: Iron
 Reactions: Calcium
 
cap (1)
 Data1: Scandium
 
capable (9)
 Compounds: Arsenic
 Compounds: Gallium
 Compounds: Nitrogen
 Data1: Beryllium
 Data1: Lanthanum
 Glossary: Ductile
 Glossary: Malleable
 Isotope: Plutonium
 On This Day... 16 February
 
capacitance (1)
 Biography: Michael Faraday
 
capacitors (4)
 Compounds: Barium
 Compounds: Hafnium
 Compounds: Tantalum
 Data1: Tantalum
 
capacity (128)
 Biography: Louis Jacques Thenard
 Compounds: Calcium
 Country: China
 Data1: Copper
 Data1: Neon
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Argon
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Bohrium
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Darmstadtium
 Data2: Dubnium
 Data2: Dysprosium
 Data2: Einsteinium
 Data2: Erbium
 Data2: Europium
 Data2: Fermium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Hassium
 Data2: Helium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iridium
 Data2: Iron
 Data2: Krypton
 Data2: Lanthanum
 Data2: Lawrencium
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Meitnerium
 Data2: Mendelevium
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neon
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Radon
 Data2: Rhenium
 Data2: Rhodium
 Data2: Roentgenium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Rutherfordium
 Data2: Samarium
 Data2: Scandium
 Data2: Seaborgium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Strontium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Ununbium
 Data2: Ununhexium
 Data2: Ununoctium
 Data2: Ununpentium
 Data2: Ununquadium
 Data2: Ununseptium
 Data2: Ununtrium
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 Equation: Molar heat capacity
 Equation: Specific heat capacity to heat equation
 Glossary: Heat Capacity
 Glossary: Temperature
 Production: Zinc
 
cape (2)
 Data1: Carbon
 Data1: Uranium
 
capillarity (1)
 Biography: Dmitriy Ivanovich Mendeleyev
 
capillary (2)
 Biography: Joseph Louis Gay-Lussac
 On This Day... 16 August
 
capital (2)
 Biography: Per Teodor Cleve
 Glossary: Heat Capacity
 
capped (1)
 Allotrope: Carbon
 
caps (5)
 Compounds: Iodine
 Compounds: Mercury
 Compounds: Nitrogen
 Data1: Tellurium
 Data1: Zirconium
 
capsule (1)
 Biography: Irene Joliot-Curie
 
captain (1)
 Biography: Julius Caesar Scaliger
 
captivation (1)
 Biography: Jöns Jacob Berzelius
 
captive (1)
 Compounds: Chlorine
 
capture (83)
 Country: Outer space
 Data1: Americium
 Data1: Fermium
 Data1: Lawrencium
 Data1: Technetium
 Glossary: Double Beta Decay
 Glossary: Double Electron Capture
 Glossary: Electron Capture
 Glossary: Positron Emission (Beta+ Decay)
 Isotope: Actinium
 Isotope: Aluminium
 Isotope: Argon
 Isotope: Arsenic
 Isotope: Astatine
 Isotope: Barium
 Isotope: Berkelium
 Isotope: Beryllium
 Isotope: Bismuth
 Isotope: Cadmium
 Isotope: Caesium
 Isotope: Calcium
 Isotope: Cerium
 Isotope: Chlorine
 Isotope: Chromium
 Isotope: Cobalt
 Isotope: Curium
 Isotope: Einsteinium
 Isotope: Erbium
 Isotope: Europium
 Isotope: Fermium
 Isotope: Fluorine
 Isotope: Germanium
 Isotope: Gold
 Isotope: Hafnium
 Isotope: Iridium
 Isotope: Iron
 Isotope: Krypton
 Isotope: Lanthanum
 Isotope: Lead
 Isotope: Lutetium
 Isotope: Manganese
 Isotope: Mendelevium
 Isotope: Mercury
 Isotope: Molybdenum
 Isotope: Neptunium
 Isotope: Nickel
 Isotope: Niobium
 Isotope: Nitrogen
 Isotope: Nobelium
 Isotope: Osmium
 Isotope: Palladium
 Isotope: Platinum
 Isotope: Polonium
 Isotope: Potassium
 Isotope: Praseodymium
 Isotope: Promethium
 Isotope: Protactinium
 Isotope: Radon
 Isotope: Rhodium
 Isotope: Rubidium
 Isotope: Ruthenium
 Isotope: Scandium
 Isotope: Selenium
 Isotope: Silver
 Isotope: Sodium
 Isotope: Strontium
 Isotope: Tantalum
 Isotope: Technetium
 Isotope: Tellurium
 Isotope: Terbium
 Isotope: Thallium
 Isotope: Thulium
 Isotope: Titanium
 Isotope: Tungsten
 Isotope: Vanadium
 Isotope: Xenon
 Isotope: Ytterbium
 Isotope: Yttrium
 Isotope: Zinc
 Isotope: Zirconium
 Production: Neptunium
 Production: Plutonium
 Production: Rhodium
 
captured (4)
 Data1: Neon
 Data1: Zinc
 Glossary: Double Electron Capture
 Glossary: Electron Capture
 
captures (4)
 Isotope: Hydrogen
 Isotope: Oxygen
 Production: Neptunium
 Production: Plutonium
 
car (3)
 Data1: Argon
 Data1: Chromium
 Data1: Magnesium
 
carat (1)
 Glossary: Alloy
 
carats (11)
 Country: Australia
 Country: Botswana
 Country: Brazil
 Country: Canada
 Country: China
 Country: Democratic Republic of Congo
 Country: Ghana
 Country: Namibia
 Country: Russia
 Country: South Africa
 Data1: Carbon
 
carbide (19)
 Compounds: Chromium
 Compounds: Hafnium
 Compounds: Niobium
 Compounds: Silicon
 Compounds: Tantalum
 Compounds: Titanium
 Compounds: Tungsten
 Compounds: Vanadium
 Compounds: Zirconium
 Data1: Silicon
 Data1: Tantalum
 Data1: Titanium
 Data1: Tungsten
 Data2: Arsenic
 Data2: Mercury
 Data2: Silicon
 Glossary: Refractory
 On This Day... 20 January
 Production: Tantalum
 
carbides (2)
 Biography: Ferdinand Frederic Henri Moissan
 Data1: Tungsten
 
carbo (1)
 Data1: Carbon
 
carbocation (1)
 On This Day... 22 May
 
carbocations (1)
 On This Day... 22 May
 
carbohydrate (2)
 Compounds: Iodine
 On This Day... 16 September
 
carbohydrates (1)
 On This Day... 22 December
 
carbolic (1)
 On This Day... 5 April
 
carbon (105)
 Allotrope: Arsenic
 Allotrope: Carbon
 Allotrope: Phosphorus
 Allotrope: Sulfur
 Atomic data: Carbon
 Biography: Andreas Sigismund Marggraf
 Biography: Bernard Courtois
 Biography: Ferdinand Frederic Henri Moissan
 Biography: John Dalton
 Biography: Philip Hauge Abelson
 Biography: Robert Wilhelm Bunsen
 Biography: Smithson Tennant
 Compounds: Carbon
 Compounds: Chlorine
 Compounds: Hafnium
 Compounds: Lithium
 Compounds: Manganese
 Compounds: Palladium
 Compounds: Plutonium
 Compounds: Potassium
 Compounds: Silicon
 Compounds: Sodium
 Compounds: Sulfur
 Country: Australia
 Country: Botswana
 Country: Brazil
 Country: Canada
 Country: China
 Country: Democratic Republic of Congo
 Country: Ghana
 Country: India
 Country: Madagascar
 Country: Mexico
 Country: Namibia
 Country: Outer space
 Country: Russia
 Country: South Africa
 Country: Sri Lanka
 Country: United Kingdom
 Country: United States of America
 Data1: Argon
 Data1: Boron
 Data1: Carbon
 Data1: Iron
 Data1: Lanthanum
 Data1: Magnesium
 Data1: Manganese
 Data1: Molybdenum
 Data1: Neon
 Data1: Nobelium
 Data1: Palladium
 Data1: Praseodymium
 Data1: Samarium
 Data1: Sulfur
 Data1: Titanium
 Data1: Vanadium
 Data2: Beryllium
 Data2: Carbon
 Data2: Uranium
 Document: Abundance of the Elements in the Solar System
 Document: Chemical makeup of the human body
 Glossary: Allotrope
 Glossary: Atomic mass unit (amu, u)
 Glossary: Endothermic
 Glossary: Isotope
 Glossary: Mass Number (A)
 Glossary: Metalloids
 Glossary: Neutron
 Glossary: Organic chemistry
 Glossary: Positron Emission (Beta+ Decay)
 Glossary: Refractory
 Isotope: Beryllium
 Isotope: Carbon
 Isotope: Xenon
 MAC data: Carbon
 Names: Carbon
 On This Day... 11 September
 On This Day... 14 June
 On This Day... 17 December
 On This Day... 23 July
 On This Day... 27 August
 On This Day... 27 October
 On This Day... 28 October
 On This Day... 5 September
 On This Day... 7 September
 On This Day... 9 February
 Production: Aluminium
 Production: Cadmium
 Production: Carbon
 Production: Hydrogen
 Production: Iron
 Production: Neon
 Production: Niobium
 Production: Oxygen
 Production: Polonium
 Production: Sodium
 Production: Tungsten
 Production: Vanadium
 Production: Zinc
 Reactions: Astatine
 Reactions: Carbon
 Reactions: Phosphorus
 Reactions: Plutonium
 Reactions: Ruthenium
 Spectrum: Carbon
 
carbonaceous (80)
 Country: Outer space
 Data1: Aluminium
 Data1: Antimony
 Data1: Arsenic
 Data1: Barium
 Data1: Beryllium
 Data1: Bismuth
 Data1: Boron
 Data1: Bromine
 Data1: Cadmium
 Data1: Caesium
 Data1: Calcium
 Data1: Carbon
 Data1: Cerium
 Data1: Chlorine
 Data1: Chromium
 Data1: Cobalt
 Data1: Copper
 Data1: Dysprosium
 Data1: Erbium
 Data1: Europium
 Data1: Fluorine
 Data1: Gadolinium
 Data1: Gallium
 Data1: Germanium
 Data1: Gold
 Data1: Hafnium
 Data1: Holmium
 Data1: Hydrogen
 Data1: Indium
 Data1: Iodine
 Data1: Iridium
 Data1: Iron
 Data1: Lanthanum
 Data1: Lead
 Data1: Lithium
 Data1: Lutetium
 Data1: Magnesium
 Data1: Manganese
 Data1: Mercury
 Data1: Molybdenum
 Data1: Neodymium
 Data1: Nickel
 Data1: Niobium
 Data1: Nitrogen
 Data1: Osmium
 Data1: Oxygen
 Data1: Palladium
 Data1: Phosphorus
 Data1: Platinum
 Data1: Potassium
 Data1: Praseodymium
 Data1: Rhenium
 Data1: Rhodium
 Data1: Rubidium
 Data1: Ruthenium
 Data1: Samarium
 Data1: Scandium
 Data1: Selenium
 Data1: Silicon
 Data1: Silver
 Data1: Sodium
 Data1: Strontium
 Data1: Sulfur
 Data1: Tantalum
 Data1: Tellurium
 Data1: Terbium
 Data1: Thallium
 Data1: Thorium
 Data1: Thulium
 Data1: Tin
 Data1: Titanium
 Data1: Tungsten
 Data1: Uranium
 Data1: Vanadium
 Data1: Ytterbium
 Data1: Yttrium
 Data1: Zinc
 Data1: Zirconium
 Isotope: Magnesium
 
carbonate (25)
 Compounds: Barium
 Compounds: Calcium
 Compounds: Carbon
 Compounds: Lanthanum
 Compounds: Lithium
 Compounds: Magnesium
 Compounds: Manganese
 Compounds: Phosphorus
 Compounds: Plutonium
 Compounds: Sodium
 Country: China
 Data1: Barium
 Data1: Cadmium
 Data1: Calcium
 Data1: Iodine
 Data1: Lithium
 Data1: Magnesium
 Data1: Potassium
 Data1: Sodium
 Production: Carbon
 Production: Iron
 Production: Magnesium
 Production: Sodium
 Production: Strontium
 Production: Thorium
 
carbonated (3)
 Compounds: Calcium
 Compounds: Sodium
 Glossary: Acid
 
carbonates (4)
 Data1: Zinc
 Data2: Silicon
 Production: Copper
 Production: Zinc
 
carbonatite (1)
 Production: Lanthanum
 
carbonatites (1)
 Production: Niobium
 
carbone (1)
 Names: Carbon
 
carboneum (1)
 Names: Carbon
 
carbonic (2)
 Glossary: Acid
 Production: Cadmium
 
carboniferous (1)
 Production: Lead
 
carbonio (1)
 Names: Carbon
 
carbono (1)
 Names: Carbon
 
carbons (3)
 Allotrope: Carbon
 Data1: Carbon
 Data2: Hydrogen
 
carbothermic (1)
 Production: Iron
 
carburizing (1)
 Data1: Iron
 
carcinogen (9)
 Compounds: Sodium
 Data1: Arsenic
 Data1: Chromium
 Data1: Indium
 Data1: Radon
 Data1: Thallium
 Data1: Uranium
 Glossary: Carcinogen
 Glossary: Teratogenic
 
carcinogenic (11)
 Compounds: Arsenic
 Compounds: Beryllium
 Compounds: Gallium
 Compounds: Lead
 Compounds: Sodium
 Compounds: Sulfur
 Data1: Beryllium
 Data1: Cadmium
 Data1: Nickel
 Data1: Rhodium
 Data1: Ruthenium
 
carcinogenicity (1)
 On This Day... 16 December
 
carcinogens (2)
 Compounds: Chlorine
 Glossary: Carcinogen
 
card (1)
 Compounds: Zinc
 
cardan (1)
 Biography: Julius Caesar Scaliger
 
cardell (1)
 On This Day... 8 July
 
cardiac (5)
 Compounds: Iodine
 Compounds: Lithium
 Data1: Barium
 Data1: Fluorine
 Data1: Potassium
 
cardinal (1)
 Biography: Julius Caesar Scaliger
 
cardiovascular (1)
 Compounds: Technetium
 
cards (2)
 Compounds: Barium
 Compounds: Zinc
 
care (19)
 Biography: Jöns Jacob Berzelius
 Compounds: Potassium
 Compounds: Titanium
 Data1: Beryllium
 Data1: Boron
 Data1: Cobalt
 Data1: Fluorine
 Data1: Hafnium
 Data1: Iodine
 Data1: Lutetium
 Data1: Niobium
 Data1: Potassium
 Data1: Promethium
 Data1: Sulfur
 Data1: Tellurium
 Data1: Thallium
 Data1: Thulium
 Reactions: Iridium
 Reactions: Phosphorus
 
career (8)
 Biography: Arthur Jeffrey Dempster
 Biography: Carl Gustav Mosander
 Biography: Julius Caesar Scaliger
 Biography: Peter Armbruster
 Biography: Philip Hauge Abelson
 Biography: Pierre Curie
 Biography: Robert Wilhelm Bunsen
 Biography: William Gregor
 
careful (8)
 Biography: Emilio Gino Segre
 Biography: Jean Charles Galissard de Marignac
 Biography: Joseph Louis Gay-Lussac
 Biography: Louis Jacques Thenard
 Reactions: Iodine
 Reactions: Palladium
 Reactions: Phosphorus
 Reactions: Platinum
 
carefully (7)
 Biography: Antoine-Laurent de Lavoisier
 Data1: Lithium
 Data1: Sodium
 Production: Radon
 Reactions: Selenium
 Reactions: Tellurium
 Reactions: Tungsten
 
caries (1)
 Compounds: Sodium
 
carl (19)
 Biography: Carl Auer Baron von Welsbach
 Biography: Carl Gustav Mosander
 Biography: Georges Urbain
 Compounds: Erbium
 Data1: Caesium
 Data1: Erbium
 Data1: Holmium
 Data1: Lanthanum
 Data1: Lutetium
 Data1: Neodymium
 Data1: Praseodymium
 Data1: Terbium
 Data1: Thulium
 Data1: Yttrium
 On This Day... 1 September
 On This Day... 10 September
 On This Day... 11 September
 On This Day... 29 October
 On This Day... 9 September
 
carlo (2)
 Data1: Technetium
 On This Day... 21 June
 
carmine (1)
 Compounds: Radium
 
carnallite (5)
 Data1: Magnesium
 Data1: Potassium
 Production: Chlorine
 Production: Magnesium
 Production: Potassium
 
carnegie (1)
 Biography: Philip Hauge Abelson
 
carnotite (6)
 Country: United States of America
 Data1: Uranium
 Data1: Vanadium
 Production: Helium
 Production: Radium
 Production: Vanadium
 
carolina (1)
 Data1: Samarium
 
carpentry (1)
 Biography: Lise Meitner
 
carried (16)
 Biography: Jean Charles Galissard de Marignac
 Biography: John William Strutt Rayleigh
 Biography: Joseph Priestley
 Biography: Louis Jacques Thenard
 Biography: Pierre Curie
 Biography: Sir William Ramsay
 Biography: Smithson Tennant
 Data1: Copper
 Data1: Francium
 Data1: Helium
 Data1: Ununpentium
 Data1: Ununtrium
 Data1: Zinc
 Production: Gallium
 Reactions: Caesium
 Reactions: Rubidium
 
carrier (2)
 Data1: Fluorine
 Production: Fluorine
 
carriers (1)
 Glossary: Thermal Conductivity
 
carries (3)
 Compounds: Magnesium
 Data1: Iron
 Data1: Radium
 
carrying (3)
 Data1: Fluorine
 Data1: Hydrogen
 Production: Fluorine
 
cars (4)
 Compounds: Silicon
 Data1: Argon
 Data1: Platinum
 Data1: Tungsten
 
cartoon (1)
 Data1: Helium
 
carved (1)
 Biography: Antoine-Laurent de Lavoisier
 
cas (120)
 Data1: Actinium
 Data1: Aluminium
 Data1: Americium
 Data1: Antimony
 Data1: Argon
 Data1: Arsenic
 Data1: Astatine
 Data1: Barium
 Data1: Berkelium
 Data1: Beryllium
 Data1: Bismuth
 Data1: Bohrium
 Data1: Boron
 Data1: Bromine
 Data1: Cadmium
 Data1: Caesium
 Data1: Calcium
 Data1: Californium
 Data1: Carbon
 Data1: Cerium
 Data1: Chlorine
 Data1: Chromium
 Data1: Cobalt
 Data1: Copper
 Data1: Curium
 Data1: Darmstadtium
 Data1: Dubnium
 Data1: Dysprosium
 Data1: Einsteinium
 Data1: Erbium
 Data1: Europium
 Data1: Fermium
 Data1: Fluorine
 Data1: Francium
 Data1: Gadolinium
 Data1: Gallium
 Data1: Germanium
 Data1: Gold
 Data1: Hafnium
 Data1: Hassium
 Data1: Helium
 Data1: Holmium
 Data1: Hydrogen
 Data1: Indium
 Data1: Iodine
 Data1: Iridium
 Data1: Iron
 Data1: Krypton
 Data1: Lanthanum
 Data1: Lawrencium
 Data1: Lead
 Data1: Lithium
 Data1: Lutetium
 Data1: Magnesium
 Data1: Manganese
 Data1: Meitnerium
 Data1: Mendelevium
 Data1: Mercury
 Data1: Molybdenum
 Data1: Neodymium
 Data1: Neon
 Data1: Neptunium
 Data1: Nickel
 Data1: Niobium
 Data1: Nitrogen
 Data1: Nobelium
 Data1: Osmium
 Data1: Oxygen
 Data1: Palladium
 Data1: Phosphorus
 Data1: Platinum
 Data1: Plutonium
 Data1: Polonium
 Data1: Potassium
 Data1: Praseodymium
 Data1: Promethium
 Data1: Protactinium
 Data1: Radium
 Data1: Radon
 Data1: Rhenium
 Data1: Rhodium
 Data1: Roentgenium
 Data1: Rubidium
 Data1: Ruthenium
 Data1: Rutherfordium
 Data1: Samarium
 Data1: Scandium
 Data1: Seaborgium
 Data1: Selenium
 Data1: Silicon
 Data1: Silver
 Data1: Sodium
 Data1: Strontium
 Data1: Sulfur
 Data1: Tantalum
 Data1: Technetium
 Data1: Tellurium
 Data1: Terbium
 Data1: Thallium
 Data1: Thorium
 Data1: Thulium
 Data1: Tin
 Data1: Titanium
 Data1: Tungsten
 Data1: Ununbium
 Data1: Ununhexium
 Data1: Ununoctium
 Data1: Ununpentium
 Data1: Ununquadium
 Data1: Ununseptium
 Data1: Ununtrium
 Data1: Uranium
 Data1: Vanadium
 Data1: Xenon
 Data1: Ytterbium
 Data1: Yttrium
 Data1: Zinc
 Data1: Zirconium
 Glossary: CAS
 Glossary: Group
 
case (16)
 Allotrope: Arsenic
 Allotrope: Carbon
 Biography: Jöns Jacob Berzelius
 Data1: Helium
 Data1: Nitrogen
 Data1: Plutonium
 Data1: Radon
 Data1: Terbium
 Glossary: Antimatter
 Glossary: Double Beta Decay
 Glossary: Electron Capture
 Glossary: Plasma
 Glossary: Temperature
 Production: Plutonium
 Reactions: Hydrogen
 Reactions: Lead
 
cases (4)
 Compounds: Molybdenum
 Data1: Iodine
 Glossary: Electrical Resistivity
 Glossary: Island of Stability
 
casings (2)
 Data1: Uranium
 Document: The Actinoid Series
 
casio3 (1)
 Production: Iron
 
casium (1)
 Names: Caesium
 
caso4 (81)
 Country: Afghanistan
 Country: Algeria
 Country: Argentina
 Country: Australia
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 Country: Azerbaijan
 Country: Bhutan
 Country: Brazil
 Country: Bulgaria
 Country: Burma (Myanmar)
 Country: Canada
 Country: Chile
 Country: China
 Country: Colombia
 Country: Croatia
 Country: Cuba
 Country: Cyprus
 Country: Czech Republic
 Country: Dominican Republic
 Country: Ecuador
 Country: Egypt
 Country: El Salvador
 Country: Eritrea
 Country: Ethiopia
 Country: France
 Country: Georgia
 Country: Germany
 Country: Greece
 Country: Guatemala
 Country: Honduras
 Country: Hungary
 Country: India
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 Country: Iran
 Country: Ireland
 Country: Israel
 Country: Italy
 Country: Jamaica
 Country: Jordan
 Country: Kenya
 Country: Laos
 Country: Latvia
 Country: Libya
 Country: Macedonia
 Country: Mauritania
 Country: Mexico
 Country: Moldova
 Country: Mongolia
 Country: Morocco
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 Country: Niger
 Country: Oman
 Country: Pakistan
 Country: Paraguay
 Country: Peru
 Country: Poland
 Country: Portugal
 Country: Romania
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 Country: Serbia
 Country: Slovakia
 Country: Somalia
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 Country: Spain
 Country: Sudan
 Country: Switzerland
 Country: Syria
 Country: Tanzania
 Country: Thailand
 Country: Tunisia
 Country: Turkey
 Country: Ukraine
 Country: United Kingdom
 Country: United States of America
 Country: Uzbekistan
 Country: Venezuela
 Country: Vietnam
 Data1: Calcium
 Data1: Thulium
 Production: Calcium
 
cassiopeia (1)
 Data1: Lutetium
 
cassiopeium (1)
 Data1: Ytterbium
 
cassiopium (1)
 Data1: Lutetium
 
cassiterite (2)
 Data1: Tin
 Production: Tin
 
cast (11)
 Data1: Antimony
 Data1: Copper
 Data1: Iron
 Data1: Lanthanum
 Data1: Nickel
 Data1: Scandium
 Data1: Tellurium
 Data1: Zinc
 Production: Antimony
 Production: Beryllium
 Production: Zinc
 
castle (2)
 Biography: Julius Caesar Scaliger
 Biography: Michael Faraday
 
castner (1)
 Production: Sodium
 
casts (1)
 Glossary: Alkali Metal (alkaline-earth metals)
 
cat (1)
 Data1: Francium
 
catal (2)
 Country: Brazil
 Data1: Copper
 
catalitic (1)
 Data1: Cobalt
 
catalyse (1)
 Compounds: Vanadium
 
catalysed (1)
 On This Day... 1 June
 
catalysis (8)
 Data1: Iridium
 On This Day... 1 May
 On This Day... 16 September
 On This Day... 20 January
 On This Day... 22 February
 On This Day... 5 November
 On This Day... 6 February
 On This Day... 7 January
 
catalyst (20)
 Allotrope: Phosphorus
 Compounds: Fluorine
 Compounds: Iron
 Compounds: Mercury
 Compounds: Palladium
 Compounds: Sulfur
 Compounds: Vanadium
 Data1: Bismuth
 Data1: Lithium
 Data1: Lutetium
 Data1: Nickel
 Data1: Palladium
 Data1: Platinum
 Data1: Rubidium
 Data1: Tin
 Data1: Vanadium
 Glossary: Catalyst
 Glossary: Reagent
 Production: Rhenium
 Reactions: Sulfur
 
catalysts (6)
 Compounds: Praseodymium
 Data1: Germanium
 Document: The Lanthanoid Series
 Document: The Transition Metals (Groups 3 to 12)
 Glossary: Enzyme
 Production: Oxygen
 
catalytic (8)
 Data1: Lanthanum
 Data1: Palladium
 Data1: Platinum
 Data1: Zirconium
 On This Day... 15 December
 On This Day... 28 April
 On This Day... 4 September
 On This Day... 9 November
 
catalyze (2)
 Data1: Silver
 Production: Hydrogen
 
catalyzed (1)
 Production: Hydrogen
 
catch (1)
 Data1: Potassium
 
catches (2)
 Reactions: Potassium
 Reactions: Sodium
 
categories (1)
 Data1: Tin
 
catherine (2)
 Biography: Marguerite Catherine Perey
 On This Day... 19 October
 
cathode (13)
 Biography: Michael Faraday
 Biography: Sir William Crookes
 Compounds: Radium
 Compounds: Tin
 Data1: Radium
 Data1: Strontium
 Glossary: Anode
 Glossary: Cathode
 Production: Aluminium
 Production: Barium
 Production: Hydrogen
 Production: Magnesium
 Production: Sodium
 
cathodes (2)
 Production: Aluminium
 Production: Zinc
 
cathodic (2)
 Data1: Manganese
 Production: Zinc
 
cation (7)
 Data1: Francium
 Glossary: Alkali Metal
 Glossary: Anion
 Glossary: Atomic Charge
 Glossary: Cation
 Glossary: Ion
 Glossary: Ionization energy
 
cationic (1)
 Production: Technetium
 
cations (4)
 Glossary: Atomic Charge
 Glossary: Lanthanides (old name)
 Glossary: Lanthanoids
 Glossary: Metals
 
catisio5 (2)
 Data1: Titanium
 Production: Titanium
 
catium (1)
 Data1: Francium
 
caucasus (1)
 Data1: Iron
 
caught (1)
 Biography: Irene Joliot-Curie
 
caulks (1)
 Compounds: Silicon
 
cause (44)
 Biography: Arthur Jeffrey Dempster
 Biography: Pierre Curie
 Biography: Robert Wilhelm Bunsen
 Biography: William Hyde Wollaston
 Compounds: Nitrogen
 Compounds: Sodium
 Country: United Kingdom
 Data1: Antimony
 Data1: Arsenic
 Data1: Calcium
 Data1: Chromium
 Data1: Copper
 Data1: Erbium
 Data1: Europium
 Data1: Gallium
 Data1: Iodine
 Data1: Lead
 Data1: Lithium
 Data1: Mercury
 Data1: Neodymium
 Data1: Nitrogen
 Data1: Palladium
 Data1: Phosphorus
 Data1: Polonium
 Data1: Potassium
 Data1: Radium
 Data1: Radon
 Data1: Rubidium
 Data1: Tantalum
 Data1: Vanadium
 Data1: Xenon
 Data1: Ytterbium
 Data1: Yttrium
 Glossary: Antiproton
 Glossary: Base
 Glossary: Beta Particle
 Glossary: Brinell Hardness
 Glossary: Carcinogen
 Glossary: Exothermic
 Glossary: Gamma Ray
 Glossary: Temperature
 Glossary: Teratogenic
 Isotope: Uranium
 Production: Europium
 
caused (17)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Julius Caesar Scaliger
 Biography: Lise Meitner
 Biography: Pierre Jules César Janssen
 Biography: Robert Wilhelm Bunsen
 Compounds: Iodine
 Compounds: Magnesium
 Compounds: Mercury
 Data1: Francium
 Data1: Gallium
 Data1: Helium
 Data1: Radium
 Data1: Tellurium
 Data1: Xenon
 Glossary: Brinell Hardness
 Glossary: Group
 Production: Scandium
 
causes (10)
 Biography: John William Strutt Rayleigh
 Compounds: Aluminium
 Compounds: Cobalt
 Compounds: Sodium
 Data1: Antimony
 Data1: Gallium
 Data1: Lithium
 Data1: Mercury
 Production: Iodine
 Production: Lead
 
causing (11)
 Compounds: Boron
 Data1: Barium
 Data1: Lead
 Data1: Plutonium
 Data1: Sodium
 Glossary: Alpha Decay
 Glossary: Gamma Ray
 Glossary: Isometric Transition
 Glossary: Magnetic Ordering
 Isotope: Cobalt
 On This Day... 4 July
 
causis (1)
 Biography: Julius Caesar Scaliger
 
caustic (3)
 Data1: Potassium
 Data1: Sodium
 On This Day... 4 May
 
caustics (2)
 Data2: Beryllium
 Data2: Phosphorus
 
cavendish (7)
 Biography: Henry Cavendish
 Biography: John William Strutt Rayleigh
 Data1: Argon
 Data1: Hydrogen
 Data1: Plutonium
 On This Day... 10 October
 On This Day... 15 January
 
cavities (1)
 Compounds: Sodium
 
cawo4 (7)
 Country: Australia
 Country: Brazil
 Country: Portugal
 Country: Russia
 Country: Thailand
 Data1: Tungsten
 Production: Tungsten
 
cb (2)
 Biography: Charles Hatchett
 Data1: Niobium
 
cbmm (1)
 Production: Niobium
 
cc (3)
 Data2: Carbon
 Data2: Magnesium
 Equation: Reaction quotient
 
ccedil (2)
 Country: Turkey
 On This Day... 10 May
 
ccl3f (1)
 Reactions: Fluorine
 
ccl4 (3)
 Data2: Beryllium
 Data2: Uranium
 Reactions: Astatine
 
cd (6)
 Atomic data: Cadmium
 Data1: Cadmium
 Isotope: Cadmium
 Isotope: Silver
 Reactions: Cadmium
 Spectrum: Cadmium
 
cd+ (1)
 Atomic data: Cadmium
 
cd+1 (1)
 Data2: Cadmium
 
cd+2 (1)
 Data2: Cadmium
 
cd2+ (1)
 Reactions: Cadmium
 
cdbr2 (1)
 Reactions: Cadmium
 
cdf2 (1)
 Reactions: Cadmium
 
cdi2 (1)
 Reactions: Cadmium
 
cdo (1)
 Reactions: Cadmium
 
cds (5)
 Compounds: Cadmium
 Compounds: Chromium
 Data1: Cadmium
 Production: Cadmium
 Reactions: Cadmium
 
cdse (1)
 Data1: Cadmium
 
cdte (2)
 Data1: Cadmium
 Data1: Tellurium
 
cdznte (2)
 Compounds: Cadmium
 Compounds: Zinc
 
ce (29)
 Atomic data: Cerium
 Compounds: Cerium
 Data1: Cerium
 Data1: Dysprosium
 Data1: Erbium
 Data1: Holmium
 Data1: Lutetium
 Data1: Neodymium
 Data1: Niobium
 Data1: Rhenium
 Data1: Samarium
 Data1: Scandium
 Data1: Terbium
 Data1: Thulium
 Data1: Ytterbium
 Document: The Lanthanoid Series
 Isotope: Cerium
 Isotope: Lanthanum
 Isotope: Neodymium
 Production: Cerium
 Production: Dysprosium
 Production: Lanthanum
 Production: Lutetium
 Production: Neodymium
 Production: Niobium
 Production: Terbium
 Production: Yttrium
 Reactions: Cerium
 Spectrum: Cerium
 
ce+ (1)
 Atomic data: Cerium
 
ce+3 (1)
 Data2: Cerium
 
ce+4 (1)
 Data2: Cerium
 
ce3+ (1)
 Reactions: Cerium
 
ce9fe (3)
 Data1: Cerium
 Data1: Terbium
 Production: Terbium
 
ceases (2)
 Glossary: Kelvin (absolute temperature)
 Glossary: Temperature
 
cebr3 (1)
 Reactions: Cerium
 
cecl3 (1)
 Reactions: Cerium
 
cef3 (1)
 Reactions: Cerium
 
cefn (1)
 Production: Lead
 
cefola (1)
 Data1: Plutonium
 
cei3 (1)
 Reactions: Cerium
 
celebrated (1)
 Data1: Europium
 
celestite (2)
 Data1: Strontium
 Production: Strontium
 
cell (15)
 Compounds: Boron
 Compounds: Lithium
 Compounds: Manganese
 Compounds: Tantalum
 Compounds: Zirconium
 Data1: Curium
 Data1: Tellurium
 Data1: Terbium
 Glossary: Magnetic Ordering
 On This Day... 16 December
 On This Day... 16 September
 Production: Aluminium
 Production: Gallium
 Production: Sodium
 Production: Zinc
 
cells (32)
 Allotrope: Carbon
 Compounds: Arsenic
 Compounds: Copper
 Compounds: Gadolinium
 Compounds: Gallium
 Compounds: Indium
 Compounds: Iodine
 Compounds: Iron
 Compounds: Samarium
 Compounds: Selenium
 Data1: Aluminium
 Data1: Cadmium
 Data1: Caesium
 Data1: Hydrogen
 Data1: Indium
 Data1: Manganese
 Data1: Phosphorus
 Data1: Potassium
 Data1: Promethium
 Data1: Radium
 Data1: Rubidium
 Data1: Selenium
 Data1: Silicon
 Data1: Technetium
 Data1: Thorium
 Data1: Ytterbium
 Document: The Actinoid Series
 Glossary: Carcinogen
 Glossary: Gamma Ray
 Isotope: Polonium
 On This Day... 16 September
 Production: Aluminium
 
cellular (4)
 Data1: Phosphorus
 Glossary: Acid
 Glossary: Carcinogen
 On This Day... 16 September
 
cellulose (4)
 Allotrope: Carbon
 Compounds: Boron
 Compounds: Sodium
 Glossary: Molecule
 
celsius (6)
 Compounds: Hafnium
 Compounds: Neodymium
 Compounds: Zirconium
 Data1: Beryllium
 Equation: Temperature in kelvin from degrees celsius conversion
 Glossary: Centigrade (celsius)
 
celtic (1)
 Data1: Tin
 
cement (4)
 Compounds: Calcium
 Compounds: Lead
 Data1: Oxygen
 Data1: Silicon
 
cementation (1)
 Data1: Iron
 
cemented (1)
 Data1: Tungsten
 
cements (1)
 Compounds: Magnesium
 
cent (1)
 Data1: Nickel
 
center (4)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Institute for Heavy Ion Research (GSI)
 Biography: Peter Armbruster
 Data1: Hydrogen
 
centered (5)
 Allotrope: Ytterbium
 Biography: Arthur Jeffrey Dempster
 Biography: Jöns Jacob Berzelius
 Biography: Robert Wilhelm Bunsen
 Data2: Barium
 
centering (1)
 Biography: Ida Eva Tacke Noddack
 
centigrade (3)
 Glossary: Centigrade (celsius)
 Glossary: Fahrenheit
 Glossary: Kelvin (absolute temperature)
 
centimeter (2)
 Compounds: Hafnium
 On This Day... 15 March
 
centimeters (2)
 Allotrope: Carbon
 Glossary: Alpha Decay
 
central (11)
 Biography: Irene Joliot-Curie
 Compounds: Carbon
 Country: Turkey
 Data1: Cobalt
 Data1: Copper
 Data1: Gold
 Data1: Lithium
 Data1: Platinum
 Data1: Uranium
 On This Day... 12 June
 Production: Boron
 
centre (2)
 Data1: Praseodymium
 On This Day... 4 September
 
centred (15)
 Allotrope: Uranium
 Data2: Caesium
 Data2: Chromium
 Data2: Europium
 Data2: Iron
 Data2: Lithium
 Data2: Molybdenum
 Data2: Niobium
 Data2: Potassium
 Data2: Radium
 Data2: Rubidium
 Data2: Sodium
 Data2: Tantalum
 Data2: Tungsten
 Data2: Vanadium
 
centres (1)
 Data1: Lead
 
centrifuge (2)
 Data1: Fluorine
 Production: Fluorine
 
centripetal (1)
 Glossary: Magnetic Ordering
 
centuries (6)
 Country: Peru
 Data1: Cobalt
 Data1: Uranium
 Data1: Zinc
 Production: Iodine
 Production: Mercury
 
century (29)
 Allotrope: Carbon
 Biography: Antoine-Laurent de Lavoisier
 Biography: Karl Wilhelm Scheele
 Biography: Louis Jacques Thenard
 Compounds: Cobalt
 Compounds: Copper
 Country: India
 Data1: Calcium
 Data1: Cobalt
 Data1: Dysprosium
 Data1: Gallium
 Data1: Gold
 Data1: Iron
 Data1: Lead
 Data1: Manganese
 Data1: Oxygen
 Data1: Phosphorus
 Data1: Radium
 Data1: Sulfur
 Data1: Terbium
 Data1: Uranium
 Data1: Yttrium
 Document: The Halogens (Group 17)
 Glossary: Rare Earth Elements
 Production: Erbium
 Production: Lead
 Production: Sodium
 Production: Uranium
 Production: Ytterbium
 
ceo2 (1)
 Compounds: Cerium
 
cer (1)
 Names: Cerium
 
ceramic (18)
 Compounds: Barium
 Compounds: Beryllium
 Compounds: Chromium
 Compounds: Hafnium
 Compounds: Lutetium
 Compounds: Niobium
 Compounds: Silicon
 Compounds: Tantalum
 Compounds: Tin
 Compounds: Titanium
 Compounds: Vanadium
 Compounds: Zirconium
 Data1: Antimony
 Data1: Gold
 Data1: Lead
 Data1: Praseodymium
 Data1: Uranium
 Isotope: Thulium
 
ceramics (21)
 Compounds: Antimony
 Compounds: Boron
 Compounds: Cerium
 Compounds: Cobalt
 Compounds: Dysprosium
 Compounds: Lithium
 Compounds: Manganese
 Compounds: Scandium
 Compounds: Silicon
 Compounds: Sodium
 Compounds: Sulfur
 Compounds: Titanium
 Data1: Bismuth
 Data1: Cobalt
 Data1: Erbium
 Data1: Lithium
 Data1: Manganese
 Data1: Neodymium
 Data1: Palladium
 Data1: Praseodymium
 Data1: Tellurium
 
ceraphite (1)
 Glossary: Allotrope
 
cerebral (1)
 Compounds: Technetium
 
ceres (2)
 Biography: Martin Heinrich Klaproth
 Data1: Cerium
 
ceria (4)
 Biography: Carl Gustav Mosander
 Data1: Cerium
 Data1: Terbium
 Production: Yttrium
 
ceric (1)
 Data1: Cerium
 
cerij (1)
 Names: Cerium
 
cerio (1)
 Names: Cerium
 
cerite (3)
 Data1: Cerium
 Data1: Terbium
 Production: Terbium
 
cerium (24)
 Atomic data: Cerium
 Biography: Carl Gustav Mosander
 Biography: Martin Heinrich Klaproth
 Biography: Wilhelm von Hisinger
 Compounds: Cerium
 Compounds: Lutetium
 Country: Brazil
 Country: India
 Country: Malaysia
 Data1: Cerium
 Data1: Lanthanum
 Data1: Praseodymium
 Data2: Cerium
 Document: Abundance of the Elements in the Solar System
 Document: The Lanthanoid Series
 Glossary: Lanthanides (old name)
 Glossary: Lanthanoids
 Glossary: Rare Earth Elements
 Isotope: Cerium
 MAC data: Cerium
 Names: Cerium
 Production: Cerium
 Reactions: Cerium
 Spectrum: Cerium
 
cermet (3)
 Compounds: Tantalum
 Compounds: Titanium
 Compounds: Vanadium
 
cermets (2)
 Compounds: Titanium
 Compounds: Zirconium
 
cern (2)
 Data1: Francium
 Production: Technetium
 
certain (32)
 Allotrope: Carbon
 Biography: Pierre Curie
 Compounds: Arsenic
 Compounds: Copper
 Compounds: Sodium
 Country: Outer space
 Data1: Argon
 Data1: Caesium
 Data1: Copper
 Data1: Germanium
 Data1: Helium
 Data1: Indium
 Data1: Iodine
 Data1: Krypton
 Data1: Oxygen
 Data1: Selenium
 Data1: Sodium
 Data1: Sulfur
 Data1: Tin
 Glossary: Enthalpy Change of Vapourisation
 Glossary: Island of Stability
 Glossary: Magnetic Ordering
 Glossary: Plasma
 Glossary: Temperature
 Production: Europium
 Production: Germanium
 Production: Iodine
 Production: Platinum
 Production: Radon
 Production: Scandium
 Production: Selenium
 Production: Yttrium
 
certainly (1)
 Biography: Julius Caesar Scaliger
 
cerulean (1)
 Compounds: Cobalt
 
ceruloplasmin (1)
 Data1: Copper
 
cerussite (1)
 Production: Lead
 
cesio (1)
 Names: Caesium
 
cesium (8)
 Atomic data: Caesium
 Data1: Caesium
 Document: Chemical makeup of the human body
 Document: The Alkali (Group 1) Metals
 MAC data: Caesium
 Names: Caesium
 On This Day... 10 May
 Reactions: Caesium
 
ceylon (1)
 Data1: Zirconium
 
cezij (1)
 Names: Caesium
 
cf (10)
 Data1: Californium
 Data1: Dubnium
 Data1: Rutherfordium
 Data1: Seaborgium
 Isotope: Berkelium
 Isotope: Californium
 Isotope: Einsteinium
 Isotope: Fermium
 Production: Californium
 Spectrum: Californium
 
cf+2 (1)
 Data2: Californium
 
cf+3 (1)
 Data2: Californium
 
cf+4 (1)
 Data2: Californium
 
cf249 (1)
 Data1: Rutherfordium
 
cf4 (1)
 Reactions: Carbon
 
cfc (1)
 Data1: Chlorine
 
cfcl3 (1)
 Reactions: Iodine
 
ch2 (1)
 Compounds: Sodium
 
ch2o (1)
 On This Day... 7 December
 
ch2o2hcooh (1)
 Glossary: Acid
 
ch3 (2)
 Compounds: Silicon
 Compounds: Sodium
 
ch3cn (1)
 Data2: Indium
 
ch3coch3 (1)
 Data2: Platinum
 
ch3coo (3)
 Compounds: Copper
 Compounds: Uranium
 Compounds: Zinc
 
ch3oh (1)
 Data1: Oxygen
 
ch4 (3)
 Glossary: Binary compound
 Production: Hydrogen
 Reactions: Carbon
 
ch4asnao3 (1)
 Compounds: Sodium
 
chaco (1)
 Isotope: Strontium
 
chadwick (2)
 Glossary: Neutron
 On This Day... 20 October
 
chain (17)
 Allotrope: Selenium
 Biography: Arthur Jeffrey Dempster
 Biography: Enrico Fermi
 Compounds: Lithium
 Compounds: Silver
 Data1: Carbon
 Data1: Iodine
 Data1: Protactinium
 Data1: Thorium
 Isotope: Plutonium
 Isotope: Uranium
 Isotope: Xenon
 On This Day... 2 December
 On This Day... 23 January
 Production: Arsenic
 Production: Helium
 Production: Iodine
 
chains (5)
 Allotrope: Selenium
 Data1: Gold
 Glossary: Allotrope
 Glossary: Molecule
 Production: Thorium
 
chair (7)
 Allotrope: Sulfur
 Biography: Clemens Alexander Winkler
 Biography: Daniel Rutherford
 Biography: Ferdinand Frederic Henri Moissan
 Biography: Frederick Soddy
 Biography: Jean Charles Galissard de Marignac
 Biography: Pierre Curie
 
chairman (3)
 Biography: Antoine-Laurent de Lavoisier
 Biography: Dale R. Corson
 Biography: Glenn Theodore Seaborg
 
chairs (3)
 Biography: Louis Jacques Thenard
 Biography: Pierre Curie
 Biography: Walter Noddack
 
chalcedony (1)
 Production: Silicon
 
chalcocite (1)
 Production: Copper
 
chalcogen (6)
 Data1: Oxygen
 Data1: Polonium
 Data1: Selenium
 Data1: Sulfur
 Data1: Tellurium
 Data1: Ununhexium
 
chalcogens (1)
 Compounds: Hydrogen
 
chalcolithic (1)
 Data1: Copper
 
chalcophile (1)
 Glossary: Goldschmidt Classification
 
chalcopyrite (2)
 Data1: Copper
 Production: Copper
 
chalcosine (1)
 Data1: Copper
 
chaldea (1)
 Data1: Antimony
 
chalk (3)
 Compounds: Calcium
 Data1: Arsenic
 Data1: Calcium
 
chalkos (1)
 Data1: Copper
 
challenging (2)
 Biography: Irene Joliot-Curie
 Glossary: Neutrino
 
chamber (3)
 Biography: Ida Eva Tacke Noddack
 Biography: Joseph Louis Gay-Lussac
 Biography: Louis Jacques Thenard
 
chamberlain (4)
 Biography: Emilio Gino Segre
 Glossary: Antiproton
 On This Day... 10 July
 On This Day... 18 October
 
chambers (2)
 Data1: Xenon
 Production: Selenium
 
champion (1)
 Data1: Zinc
 
chance (3)
 Biography: Bernard Courtois
 Biography: Joseph Louis Gay-Lussac
 Biography: William Hyde Wollaston
 
chancellor (1)
 Biography: Glenn Theodore Seaborg
 
chandrasekhara (1)
 On This Day... 7 November
 
change (17)
 Biography: Antoine-Laurent de Lavoisier
 Compounds: Barium
 Compounds: Cobalt
 Data1: Hydrogen
 Data1: Tellurium
 Equation: Boyle's Law
 Equation: van't Hoff equation
 Glossary: Atomic Number (Z)
 Glossary: Bulk Modulus
 Glossary: Enthalpy Change of Fusion (Heat of Fusion)
 Glossary: Enthalpy Change of Vapourisation
 Glossary: Heat Capacity
 Glossary: Temperature
 Glossary: Thermal Expansion
 Glossary: Young's Modulus
 On This Day... 9 June
 Production: Zinc
 
changed (13)
 Biography: (Gabriel) Daniel Fahrenheit
 Biography: Louis Jacques Thenard
 Country: United Kingdom
 Data1: Barium
 Data1: Cadmium
 Data1: Lawrencium
 Data1: Lutetium
 Data1: Protactinium
 Glossary: Double Electron Capture
 Glossary: Electron Capture
 Glossary: Magnetic Ordering
 Production: Americium
 Production: Potassium
 
changes (14)
 Allotrope: Oxygen
 Allotrope: Plutonium
 Allotrope: Tin
 Biography: (Gabriel) Daniel Fahrenheit
 Compounds: Cadmium
 Data1: Fluorine
 Data1: Thallium
 Glossary:
 Glossary: Alpha Decay
 Glossary: Heat Capacity
 Glossary: Magnetic Ordering
 Glossary: Solid
 Glossary: Thermal Expansion
 On This Day... 7 April
 
changing (4)
 Biography: Michael Faraday
 Glossary: Double Electron Capture
 Glossary: Electron Capture
 Production: Gold
 
chaoite (1)
 Allotrope: Carbon
 
chaptal (1)
 Biography: Louis Jacques Thenard
 
chapters (1)
 Data1: Gold
 
character (3)
 Biography: Jöns Jacob Berzelius
 Data1: Germanium
 Data1: Tantalum
 
characterised (6)
 Document: The Noble Gases (Group 18)
 Glossary: Noble Gasses (inert gasses)
 Glossary: Periods
 Glossary: Radiation
 Glossary: Transactinides
 Production: Cadmium
 
characterises (1)
 Glossary: Brinell Hardness
 
characteristic (22)
 Biography: (Gabriel) Daniel Fahrenheit
 Biography: Ferdinand Reich
 Biography: Peter Armbruster
 Biography: Robert Wilhelm Bunsen
 Compounds: Nitrogen
 Compounds: Radium
 Data1: Bromine
 Data1: Cerium
 Data1: Erbium
 Data1: Gallium
 Data1: Thulium
 Data1: Xenon
 Data1: Yttrium
 Document: The Transition Metals (Groups 3 to 12)
 Glossary: Aromatic
 Glossary: Emission Spectrum
 Glossary: Metalloids
 Glossary: Spontaneous Fission
 Reactions: Magnesium
 Reactions: Osmium
 Reactions: Potassium
 Reactions: Sodium
 
characteristics (4)
 Compounds: Silicon
 Data1: Dysprosium
 Glossary: Alloy
 Glossary: Non-Metals
 
characterized (12)
 Biography: Robert Wilhelm Bunsen
 Data1: Americium
 Data1: Curium
 Data1: Einsteinium
 Data1: Mendelevium
 Data1: Neptunium
 Data1: Protactinium
 Glossary: Periods
 Glossary: Solid
 Glossary: Transactinides
 On This Day... 27 May
 Production: Ytterbium
 
characterizes (2)
 Glossary: Heat Capacity
 Glossary: Moh's Scale of Hardness
 
characters (1)
 Data1: Helium
 
charaka (1)
 Data1: Zinc
 
charcoal (7)
 Biography: Robert Wilhelm Bunsen
 Data1: Carbon
 Data1: Chromium
 Data1: Iron
 Data1: Tungsten
 Data1: Uranium
 Production: Helium
 
charge (108)
 Biography: Julius Caesar Scaliger
 Biography: Michael Faraday
 Biography: Pierre Curie
 Compounds: Hydrogen
 Data1: Lithium
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Dysprosium
 Data2: Erbium
 Data2: Europium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iron
 Data2: Lanthanum
 Data2: Lawrencium
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Rhenium
 Data2: Rhodium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Samarium
 Data2: Scandium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 Equation: Electric current
 Glossary: Anion
 Glossary: Antimatter
 Glossary: Atomic Charge
 Glossary: Cation
 Glossary: Electrical Resistivity
 Glossary: Ion
 Glossary: Oxidation State
 Glossary: Valence Electron Potential
 On This Day... 22 March
 
charged (19)
 Biography: Michael Faraday
 Compounds: Plutonium
 Data1: Lawrencium
 Document: The Alkali (Group 1) Metals
 Document: The Alkaline Earth Metals (Group 2)
 Document: The Halogens (Group 17)
 Glossary: Alkali Metal
 Glossary: Alkali Metal (alkaline-earth metals)
 Glossary: Alpha Decay
 Glossary: Anion
 Glossary: Atomic Charge
 Glossary: Beta Particle
 Glossary: Cation
 Glossary: Electron
 Glossary: Ionic bonds
 Glossary: Nucleus
 Glossary: Positron
 Glossary: Proton
 Glossary: Radiation
 
charges (7)
 Biography: Michael Faraday
 Biography: Pierre Curie
 Glossary: Antimatter
 Glossary: Atomic Charge
 Glossary: Plasma
 On This Day... 14 September
 Production: Technetium
 
charles (39)
 Biography: Bernard Courtois
 Biography: Charles Hatchett
 Biography: Dirk Coster
 Biography: George Charles de Hevesy
 Biography: Georges Urbain
 Biography: Henry Cavendish
 Biography: Jean Charles Galissard de Marignac
 Biography: Joseph Louis Gay-Lussac
 Biography: Julius Caesar Scaliger
 Biography: Louis Jacques Thenard
 Compounds: Erbium
 Data1: Erbium
 Data1: Gadolinium
 Data1: Iodine
 Data1: Lutetium
 Data1: Niobium
 Data1: Platinum
 Data1: Promethium
 Data1: Samarium
 Data1: Strontium
 Data1: Thulium
 Data1: Ytterbium
 Equation: Charles' Law
 Glossary: Ideal Gas
 On This Day... 1 August
 On This Day... 12 January
 On This Day... 13 January
 On This Day... 14 October
 On This Day... 14 September
 On This Day... 15 February
 On This Day... 2 January
 On This Day... 23 February
 On This Day... 23 March
 On This Day... 24 April
 On This Day... 24 November
 On This Day... 25 September
 On This Day... 26 November
 On This Day... 3 October
 On This Day... 4 November
 
charming (1)
 Biography: Julius Caesar Scaliger
 
chart (1)
 Glossary: Energy Levels
 
charter (1)
 On This Day... 23 March
 
chatelier (1)
 On This Day... 8 October
 
cheap (4)
 Biography: Louis Jacques Thenard
 Compounds: Boron
 Compounds: Rhenium
 Production: Bismuth
 
cheaper (12)
 Compounds: Copper
 Compounds: Gadolinium
 Compounds: Indium
 Compounds: Selenium
 Compounds: Strontium
 Compounds: Tungsten
 Data1: Aluminium
 Data1: Helium
 Data1: Neodymium
 Data1: Titanium
 Isotope: Strontium
 Production: Caesium
 
cheaply (1)
 Biography: Bernard Courtois
 
cheddar (1)
 Biography: Smithson Tennant
 
cheese (3)
 Compounds: Phosphorus
 Compounds: Potassium
 Data1: Calcium
 
chemical (251)
 Allotrope: Carbon
 Allotrope: Oxygen
 Biography: Albert Ghiorso
 Biography: Antoine-Laurent de Lavoisier
 Biography: Baron Axel Fredrik Cronstedt
 Biography: Clemens Alexander Winkler
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Emilio Gino Segre
 Biography: Enrico Fermi
 Biography: Franz-Joseph Muller Freiherr von Reichenstein
 Biography: George Charles de Hevesy
 Biography: Henry Cavendish
 Biography: Ida Eva Tacke Noddack
 Biography: John Dalton
 Biography: John William Strutt Rayleigh
 Biography: Jöns Jacob Berzelius
 Biography: Joseph Louis Gay-Lussac
 Biography: Joseph Priestley
 Biography: Karl Wilhelm Scheele
 Biography: Michael Faraday
 Biography: Nils Gabriel Sefstrüm
 Biography: Pierre Jules César Janssen
 Biography: Robert Wilhelm Bunsen
 Biography: Sir Humphry Davy
 Biography: Sir William Crookes
 Biography: Sir William Ramsay
 Biography: William Hyde Wollaston
 Compounds: Barium
 Compounds: Boron
 Compounds: Carbon
 Compounds: Chlorine
 Compounds: Cobalt
 Compounds: Copper
 Compounds: Iron
 Compounds: Lithium
 Compounds: Magnesium
 Compounds: Nitrogen
 Compounds: Phosphorus
 Compounds: Potassium
 Compounds: Silver
 Compounds: Sodium
 Compounds: Sulfur
 Compounds: Tin
 Compounds: Xenon
 Compounds: Zinc
 Country: Outer space
 Data1: Actinium
 Data1: Arsenic
 Data1: Caesium
 Data1: Carbon
 Data1: Chlorine
 Data1: Chromium
 Data1: Copper
 Data1: Einsteinium
 Data1: Fermium
 Data1: Fluorine
 Data1: Francium
 Data1: Hydrogen
 Data1: Iodine
 Data1: Lawrencium
 Data1: Magnesium
 Data1: Mercury
 Data1: Neodymium
 Data1: Neon
 Data1: Niobium
 Data1: Plutonium
 Data1: Rubidium
 Data1: Samarium
 Data1: Seaborgium
 Data1: Silver
 Data1: Sodium
 Data1: Tantalum
 Data1: Tellurium
 Data1: Tin
 Data1: Ununhexium
 Data1: Vanadium
 Data1: Ytterbium
 Data1: Zinc
 Data1: Zirconium
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Argon
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Dysprosium
 Data2: Einsteinium
 Data2: Erbium
 Data2: Europium
 Data2: Fermium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Helium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iridium
 Data2: Iron
 Data2: Krypton
 Data2: Lanthanum
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Mendelevium
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neon
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Radon
 Data2: Rhenium
 Data2: Rhodium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Samarium
 Data2: Scandium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Strontium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 Document: Chemical makeup of the human body
 Document: The Noble Gases (Group 18)
 Document: The Transition Metals (Groups 3 to 12)
 Glossary: Absorption Spectrum
 Glossary: Acid
 Glossary: Atom
 Glossary: Base
 Glossary: CAS
 Glossary: Catalyst
 Glossary: Electronegativity
 Glossary: Element
 Glossary: Endothermic
 Glossary: Enzyme
 Glossary: Goldschmidt Classification
 Glossary: Inert
 Glossary: Metals
 Glossary: Molecule
 Glossary: Noble Gasses (inert gasses)
 Glossary: Non-Metals
 Glossary: Oxidation State
 Glossary: Periodic Law
 Glossary: Periodic Table
 Glossary: Radioactivity
 Glossary: Reagent
 Glossary: The Pauling Scale
 Glossary: Thermal Conductivity
 Isotope: Hydrogen
 On This Day... 10 March
 On This Day... 11 April
 On This Day... 11 May
 On This Day... 13 February
 On This Day... 16 December
 On This Day... 16 February
 On This Day... 17 December
 On This Day... 18 July
 On This Day... 19 June
 On This Day... 19 September
 On This Day... 2 February
 On This Day... 21 January
 On This Day... 21 June
 On This Day... 22 May
 On This Day... 24 July
 On This Day... 24 October
 On This Day... 27 March
 On This Day... 29 November
 On This Day... 31 January
 On This Day... 4 September
 On This Day... 6 January
 On This Day... 7 April
 On This Day... 7 January
 On This Day... 7 September
 On This Day... 9 June
 On This Day... 9 May
 On This Day... 9 November
 Production: Carbon
 Production: Chlorine
 Production: Einsteinium
 Production: Erbium
 Production: Iron
 Production: Lanthanum
 Production: Neon
 Production: Neptunium
 Production: Nitrogen
 Production: Oxygen
 Production: Plutonium
 Production: Ruthenium
 Production: Technetium
 Production: Tellurium
 Reactions: Carbon
 Reactions: Uranium
 
chemically (29)
 Allotrope: Carbon
 Biography: Ida Eva Tacke Noddack
 Compounds: Barium
 Compounds: Helium
 Compounds: Krypton
 Compounds: Oxygen
 Compounds: Silver
 Compounds: Vanadium
 Data1: Antimony
 Data1: Argon
 Data1: Astatine
 Data1: Barium
 Data1: Curium
 Data1: Darmstadtium
 Data1: Radium
 Data1: Rutherfordium
 Data1: Technetium
 Data1: Tellurium
 Data1: Thorium
 Glossary: Compound
 Glossary: Inert
 Glossary: Noble Gasses (inert gasses)
 Glossary: Organic chemistry
 Glossary: Refractory
 On This Day... 23 February
 Production: Platinum
 Production: Sodium
 Production: Technetium
 Reactions: Helium
 
chemicals (13)
 Compounds: Boron
 Compounds: Bromine
 Compounds: Chlorine
 Compounds: Iodine
 Compounds: Phosphorus
 Compounds: Sodium
 Data1: Lithium
 Data1: Nitrogen
 Data1: Phosphorus
 Data1: Selenium
 Data1: Tin
 Glossary: CAS
 On This Day... 16 December
 
chemie (1)
 Biography: Andre Louis Debierne
 
chemiluminescence (1)
 Reactions: Phosphorus
 
chemischer (1)
 Biography: Ida Eva Tacke Noddack
 
chemist (134)
 Biography: Adair Crawford
 Biography: Anders Gustaf Ekeberg
 Biography: Andreas Sigismund Marggraf
 Biography: Antoine Alexandre Brutus Bussy
 Biography: Baron Axel Fredrik Cronstedt
 Biography: Carl Auer Baron von Welsbach
 Biography: Charles Hatchett
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Eugene-Antole Demarcay
 Biography: Fausto de Elhuyar y de Suvisa
 Biography: Franz-Joseph Muller Freiherr von Reichenstein
 Biography: Friedrich Stromeyer
 Biography: Friedrich Wöhler
 Biography: Georg Brandt
 Biography: George Charles de Hevesy
 Biography: Georges Urbain
 Biography: Glenn Theodore Seaborg
 Biography: Henry Cavendish
 Biography: Hieronymous Theodor Richter
 Biography: Ida Eva Tacke Noddack
 Biography: Jacob A. Marinsky
 Biography: Jacques-Louis Soret
 Biography: Johan Gottlieb Gahn
 Biography: Johann August Arfvedson
 Biography: John Dalton
 Biography: Karl Klaus
 Biography: Karl Wilhelm Scheele
 Biography: Lars Nilson
 Biography: Martin Heinrich Klaproth
 Biography: Michael Faraday
 Biography: Morris Travers
 Biography: Nils Gabriel Sefstrüm
 Biography: Otto Hahn
 Biography: Per Teodor Cleve
 Biography: Pierre Jules César Janssen
 Biography: Sir William Ramsay
 Biography: Smithson Tennant
 Compounds: Cobalt
 Compounds: Sodium
 Data1: Actinium
 Data1: Aluminium
 Data1: Boron
 Data1: Bromine
 Data1: Chlorine
 Data1: Cobalt
 Data1: Dysprosium
 Data1: Europium
 Data1: Gadolinium
 Data1: Helium
 Data1: Iodine
 Data1: Lanthanum
 Data1: Lutetium
 Data1: Manganese
 Data1: Molybdenum
 Data1: Neodymium
 Data1: Neon
 Data1: Oxygen
 Data1: Praseodymium
 Data1: Rhenium
 Data1: Ruthenium
 Data1: Samarium
 Data1: Seaborgium
 Data1: Technetium
 Data1: Terbium
 Data1: Thorium
 Data1: Thulium
 Data1: Titanium
 Data1: Tungsten
 Data1: Uranium
 Data1: Vanadium
 Data1: Ytterbium
 Data1: Yttrium
 Data1: Zinc
 Glossary: Periodic Table
 On This Day... 1 August
 On This Day... 1 December
 On This Day... 1 January
 On This Day... 1 September
 On This Day... 10 February
 On This Day... 10 October
 On This Day... 11 October
 On This Day... 12 April
 On This Day... 12 February
 On This Day... 12 January
 On This Day... 12 November
 On This Day... 14 August
 On This Day... 14 July
 On This Day... 15 September
 On This Day... 16 January
 On This Day... 17 December
 On This Day... 17 July
 On This Day... 17 June
 On This Day... 17 September
 On This Day... 18 April
 On This Day... 19 April
 On This Day... 19 February
 On This Day... 19 November
 On This Day... 2 January
 On This Day... 2 June
 On This Day... 2 May
 On This Day... 2 October
 On This Day... 20 August
 On This Day... 20 July
 On This Day... 20 March
 On This Day... 21 July
 On This Day... 21 June
 On This Day... 22 September
 On This Day... 24 April
 On This Day... 24 September
 On This Day... 25 December
 On This Day... 25 March
 On This Day... 26 December
 On This Day... 26 October
 On This Day... 28 May
 On This Day... 28 September
 On This Day... 29 May
 On This Day... 29 October
 On This Day... 29 September
 On This Day... 3 March
 On This Day... 30 June
 On This Day... 30 November
 On This Day... 30 September
 On This Day... 31 July
 On This Day... 31 March
 On This Day... 31 October
 On This Day... 5 June
 On This Day... 6 December
 On This Day... 6 September
 On This Day... 7 November
 On This Day... 8 April
 On This Day... 8 February
 On This Day... 8 March
 On This Day... 9 April
 On This Day... 9 December
 
chemistry (127)
 Allotrope: Carbon
 Allotrope: Plutonium
 Biography: Andreas Sigismund Marggraf
 Biography: Antoine-Jerome Balard
 Biography: Antoine-Laurent de Lavoisier
 Biography: Carl Gustav Mosander
 Biography: Clemens Alexander Winkler
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Edwin Mattison McMillan
 Biography: Ferdinand Frederic Henri Moissan
 Biography: Frederick Soddy
 Biography: Friedrich Stromeyer
 Biography: Friedrich Wöhler
 Biography: George Charles de Hevesy
 Biography: Glenn Theodore Seaborg
 Biography: Gottfried Münzenberg
 Biography: Hans Christian Oersted
 Biography: Ida Eva Tacke Noddack
 Biography: Irene Joliot-Curie
 Biography: Jean Charles Galissard de Marignac
 Biography: Johan Gadolin
 Biography: John Dalton
 Biography: John William Strutt Rayleigh
 Biography: Jöns Jacob Berzelius
 Biography: Joseph Louis Gay-Lussac
 Biography: Joseph Priestley
 Biography: Karl Wilhelm Scheele
 Biography: Lise Meitner
 Biography: Louis Jacques Thenard
 Biography: Louis Nicolas Vauquelin
 Biography: Martin Heinrich Klaproth
 Biography: Michael Faraday
 Biography: Otto Hahn
 Biography: Per Teodor Cleve
 Biography: Pierre Curie
 Biography: Robert Wilhelm Bunsen
 Biography: Sir Humphry Davy
 Biography: Sir William Crookes
 Biography: Sir William Ramsay
 Biography: Smithson Tennant
 Biography: Walter Noddack
 Biography: William Hyde Wollaston
 Compounds: Carbon
 Compounds: Iodine
 Compounds: Nitrogen
 Compounds: Uranium
 Data1: Bohrium
 Data1: Carbon
 Data1: Darmstadtium
 Data1: Dubnium
 Data1: Europium
 Data1: Fermium
 Data1: Fluorine
 Data1: Hassium
 Data1: Lawrencium
 Data1: Manganese
 Data1: Meitnerium
 Data1: Niobium
 Data1: Nobelium
 Data1: Rutherfordium
 Data1: Seaborgium
 Data1: Sodium
 Data1: Technetium
 Data1: Uranium
 Glossary: IUPAC
 Glossary: Kelvin (absolute temperature)
 Glossary: Organic chemistry
 Glossary: Wavefunction
 Isotope: Carbon
 On This Day... 10 December
 On This Day... 10 July
 On This Day... 11 February
 On This Day... 11 September
 On This Day... 12 September
 On This Day... 13 January
 On This Day... 13 July
 On This Day... 14 February
 On This Day... 14 June
 On This Day... 16 September
 On This Day... 17 December
 On This Day... 17 February
 On This Day... 17 October
 On This Day... 18 February
 On This Day... 18 March
 On This Day... 19 July
 On This Day... 19 November
 On This Day... 2 March
 On This Day... 20 June
 On This Day... 21 February
 On This Day... 21 July
 On This Day... 22 December
 On This Day... 22 May
 On This Day... 23 March
 On This Day... 23 May
 On This Day... 24 August
 On This Day... 25 February
 On This Day... 26 February
 On This Day... 26 January
 On This Day... 27 June
 On This Day... 27 March
 On This Day... 27 May
 On This Day... 27 October
 On This Day... 28 January
 On This Day... 28 June
 On This Day... 29 April
 On This Day... 29 March
 On This Day... 3 December
 On This Day... 3 March
 On This Day... 3 May
 On This Day... 30 January
 On This Day... 30 October
 On This Day... 31 January
 On This Day... 31 October
 On This Day... 4 December
 On This Day... 4 September
 On This Day... 5 December
 On This Day... 5 November
 On This Day... 6 May
 On This Day... 7 September
 On This Day... 8 May
 On This Day... 8 November
 On This Day... 9 December
 On This Day... 9 November
 Production: Fluorine
 Production: Hafnium
 Production: Hydrogen
 Production: Technetium
 
chemists (20)
 Biography: Charles Hatchett
 Biography: John Dalton
 Biography: Jöns Jacob Berzelius
 Biography: Joseph Priestley
 Biography: Michael Faraday
 Biography: Robert Wilhelm Bunsen
 Data1: Cerium
 Data1: Fluorine
 Data1: Francium
 Data1: Helium
 Data1: Molybdenum
 Data1: Plutonium
 Data1: Tantalum
 Data1: Technetium
 Data1: Terbium
 Glossary: IUPAC
 Glossary: Metalloids
 On This Day... 13 July
 On This Day... 26 June
 Production: Fluorine
 
chemotherapeutic (1)
 Data1: Germanium
 
chemotherapy (3)
 Compounds: Platinum
 On This Day... 26 May
 On This Day... 30 October
 
chernobyl (2)
 Isotope: Caesium
 Isotope: Iodine
 
chervony (1)
 Country: Outer space
 
chest (1)
 Data1: Chlorine
 
chester (1)
 Biography: Sir William Crookes
 
chew (1)
 Data1: Lead
 
chicago (7)
 Biography: Enrico Fermi
 Biography: Glenn Theodore Seaborg
 Data1: Americium
 Data1: Curium
 Data1: Plutonium
 On This Day... 13 September
 On This Day... 2 December
 
chicken (1)
 Compounds: Sodium
 
chicoutimi (1)
 Country: Canada
 
chief (8)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Henry Cavendish
 Biography: Pierre Curie
 Compounds: Zinc
 Data1: Aluminium
 Data1: Iron
 Data1: Manganese
 Data1: Samarium
 
chiefly (12)
 Biography: Carl Gustav Mosander
 Biography: Julius Caesar Scaliger
 Compounds: Carbon
 Compounds: Sodium
 Country: Oceans / Seas
 Data1: Hydrogen
 Data1: Nickel
 Data1: Tantalum
 Production: Calcium
 Production: Iodine
 Production: Strontium
 Production: Thorium
 
chihuahua (1)
 Country: Mexico
 
chilblains (1)
 Data1: Cadmium
 
child (2)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: John William Strutt Rayleigh
 
childhood (1)
 Biography: Jöns Jacob Berzelius
 
children (9)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Irene Joliot-Curie
 Biography: Joseph Louis Gay-Lussac
 Biography: Julius Caesar Scaliger
 Compounds: Sodium
 Data1: Americium
 Data1: Antimony
 Data1: Chlorine
 Data1: Lead
 
chile (13)
 Country: Chile
 Data1: Boron
 Data1: Copper
 Data1: Iodine
 Data1: Lithium
 Production: Arsenic
 Production: Copper
 Production: Gold
 Production: Iodine
 Production: Lithium
 Production: Molybdenum
 Production: Rhenium
 Production: Sulfur
 
chili (1)
 Data1: Sodium
 
chill (1)
 Data1: Tellurium
 
chilled (1)
 Data1: Neon
 
chillers (1)
 Data1: Titanium
 
chimie (2)
 Biography: Antoine-Jerome Balard
 Biography: Louis Jacques Thenard
 
chimique (1)
 On This Day... 27 January
 
chimney (1)
 Data1: Zinc
 
china (56)
 Compounds: Barium
 Country: Canada
 Country: Chile
 Country: China
 Country: Germany
 Country: Hungary
 Country: Japan
 Country: Kazakhstan
 Country: Russia
 Country: Slovakia
 Country: Ukraine
 Country: United Kingdom
 Country: United States of America
 Data1: Antimony
 Data1: Boron
 Data1: Cerium
 Data1: Cobalt
 Data1: Copper
 Data1: Europium
 Data1: Gadolinium
 Data1: Iron
 Data1: Lead
 Data1: Lutetium
 Data1: Magnesium
 Data1: Mercury
 Data1: Phosphorus
 Data1: Strontium
 Data1: Sulfur
 Data1: Tungsten
 Data1: Zinc
 Production: Aluminium
 Production: Antimony
 Production: Arsenic
 Production: Bismuth
 Production: Cadmium
 Production: Dysprosium
 Production: Erbium
 Production: Gold
 Production: Helium
 Production: Holmium
 Production: Iron
 Production: Lanthanum
 Production: Lead
 Production: Magnesium
 Production: Manganese
 Production: Mercury
 Production: Molybdenum
 Production: Phosphorus
 Production: Silver
 Production: Strontium
 Production: Terbium
 Production: Thulium
 Production: Tungsten
 Production: Uranium
 Production: Yttrium
 Production: Zinc
 
chinese (7)
 Biography: Irene Joliot-Curie
 Compounds: Barium
 Compounds: Sodium
 Data1: Mercury
 Data1: Nickel
 Data1: Sulfur
 Production: Indium
 
chino (1)
 Production: Copper
 
chipmunks (1)
 Data1: Helium
 
chipping (1)
 Compounds: Samarium
 
chips (4)
 Compounds: Sodium
 Data1: Gallium
 Data1: Iron
 Data1: Tellurium
 
chirally (1)
 On This Day... 1 June
 
chivalry (1)
 Biography: Julius Caesar Scaliger
 
chlamydomonas (1)
 Production: Hydrogen
 
chloor (1)
 Names: Chlorine
 
chlor (1)
 Names: Chlorine
 
chloralkali (2)
 Data1: Iridium
 Production: Chlorine
 
chloramine (2)
 Compounds: Nitrogen
 Data1: Chlorine
 
chlorate (3)
 Compounds: Potassium
 Data1: Barium
 Reactions: Chlorine
 
chlore (1)
 Names: Chlorine
 
chloric (1)
 Biography: Antoine-Jerome Balard
 
chloride (74)
 Biography: Antoine Alexandre Brutus Bussy
 Compounds: Barium
 Compounds: Bromine
 Compounds: Caesium
 Compounds: Calcium
 Compounds: Chlorine
 Compounds: Cobalt
 Compounds: Europium
 Compounds: Iron
 Compounds: Lithium
 Compounds: Magnesium
 Compounds: Palladium
 Compounds: Potassium
 Compounds: Praseodymium
 Compounds: Radium
 Compounds: Scandium
 Compounds: Silver
 Compounds: Sodium
 Compounds: Sulfur
 Compounds: Tin
 Country: Oceans / Seas
 Data1: Aluminium
 Data1: Beryllium
 Data1: Chlorine
 Data1: Erbium
 Data1: Hydrogen
 Data1: Lanthanum
 Data1: Lithium
 Data1: Magnesium
 Data1: Manganese
 Data1: Niobium
 Data1: Palladium
 Data1: Potassium
 Data1: Radium
 Data1: Rhodium
 Data1: Sodium
 Data1: Titanium
 Data1: Vanadium
 Data1: Yttrium
 Data1: Zinc
 Document: The Alkali (Group 1) Metals
 Document: The Halogens (Group 17)
 Glossary: Atomic Charge
 Glossary: Deliquescent
 Production: Aluminium
 Production: Barium
 Production: Caesium
 Production: Chlorine
 Production: Hafnium
 Production: Holmium
 Production: Lithium
 Production: Magnesium
 Production: Potassium
 Production: Rubidium
 Production: Ruthenium
 Production: Samarium
 Production: Sodium
 Production: Strontium
 Production: Thorium
 Production: Uranium
 Production: Zirconium
 Reactions: Beryllium
 Reactions: Bismuth
 Reactions: Bromine
 Reactions: Chlorine
 Reactions: Iodine
 Reactions: Iridium
 Reactions: Manganese
 Reactions: Osmium
 Reactions: Palladium
 Reactions: Platinum
 Reactions: Ruthenium
 Reactions: Sulfur
 Reactions: Tungsten
 
chlorides (5)
 Data1: Chlorine
 Data1: Lanthanum
 Data1: Scandium
 Production: Rubidium
 Reactions: Uranium
 
chlorinated (1)
 Data2: Beryllium
 
chlorination (1)
 Compounds: Nitrogen
 
chlorine (80)
 Allotrope: Arsenic
 Atomic data: Chlorine
 Biography: Antoine-Jerome Balard
 Biography: Jean Charles Galissard de Marignac
 Biography: Joseph Louis Gay-Lussac
 Biography: Karl Wilhelm Scheele
 Biography: Michael Faraday
 Biography: Robert Wilhelm Bunsen
 Compounds: Calcium
 Compounds: Chlorine
 Compounds: Iron
 Compounds: Nitrogen
 Compounds: Oxygen
 Compounds: Sodium
 Country: Oceans / Seas
 Data1: Chlorine
 Data1: Iodine
 Data1: Manganese
 Data1: Titanium
 Data2: Calcium
 Data2: Carbon
 Data2: Chlorine
 Data2: Hafnium
 Data2: Iodine
 Data2: Mercury
 Data2: Rhodium
 Data2: Silicon
 Data2: Silver
 Data2: Tellurium
 Data2: Tin
 Data2: Tungsten
 Document: Abundance of the Elements in the Solar System
 Document: Chemical makeup of the human body
 Document: The Alkali (Group 1) Metals
 Document: The Halogens (Group 17)
 Glossary: Atomic Charge
 Glossary: Exothermic
 Glossary: Halogens
 Glossary: Molecule
 Isotope: Chlorine
 MAC data: Chlorine
 Names: Chlorine
 On This Day... 11 September
 On This Day... 15 November
 Production: Chlorine
 Production: Hydrogen
 Production: Iodine
 Production: Silver
 Reactions: Arsenic
 Reactions: Beryllium
 Reactions: Bismuth
 Reactions: Boron
 Reactions: Bromine
 Reactions: Calcium
 Reactions: Chlorine
 Reactions: Cobalt
 Reactions: Copper
 Reactions: Fluorine
 Reactions: Gold
 Reactions: Iodine
 Reactions: Iron
 Reactions: Lead
 Reactions: Magnesium
 Reactions: Manganese
 Reactions: Mercury
 Reactions: Nickel
 Reactions: Osmium
 Reactions: Palladium
 Reactions: Platinum
 Reactions: Polonium
 Reactions: Rhodium
 Reactions: Ruthenium
 Reactions: Selenium
 Reactions: Strontium
 Reactions: Sulfur
 Reactions: Tellurium
 Reactions: Thallium
 Reactions: Tungsten
 Reactions: Uranium
 Spectrum: Chlorine
 
chlorofluorocarbons (2)
 Data1: Chlorine
 Data1: Fluorine
 
chloroform (1)
 Compounds: Calcium
 
chlorohydrate (1)
 Compounds: Aluminium
 
chlorolithium (1)
 Data2: Beryllium
 
chlorophyll (4)
 Compounds: Magnesium
 On This Day... 13 August
 On This Day... 21 June
 On This Day... 3 June
 
chloroplast (1)
 Production: Hydrogen
 
chloroplatinate (2)
 Data1: Palladium
 Data1: Rhodium
 
chlorum (1)
 Names: Chlorine
 
choc (1)
 Country: Colombia
 
choice (4)
 Biography: Ida Eva Tacke Noddack
 Compounds: Nitrogen
 Data1: Helium
 Data1: Rutherfordium
 
chondrite (1)
 Isotope: Magnesium
 
chondrites (1)
 Country: Outer space
 
chondritic (1)
 Production: Yttrium
 
choose (1)
 Data1: Rutherfordium
 
choppin (3)
 Data1: Einsteinium
 Data1: Mendelevium
 Production: Einsteinium
 
chose (3)
 Biography: Philip Hauge Abelson
 Data1: Lutetium
 Data1: Plutonium
 
chosen (1)
 Glossary: Refractory
 
chpt55 (1)
 Spectrum: Polonium
 
christ (1)
 Biography: Joseph Priestley
 
christian (10)
 Allotrope: Oxygen
 Biography: Hans Christian Oersted
 Biography: Joseph Priestley
 Biography: Sir Humphry Davy
 Data1: Aluminium
 Data1: Lithium
 Data1: Niobium
 On This Day... 14 August
 On This Day... 18 October
 On This Day... 4 September
 
christianity (1)
 Biography: Joseph Priestley
 
chrom (1)
 Names: Chromium
 
chroma (1)
 Data1: Chromium
 
chromate (2)
 Compounds: Radium
 Data1: Chromium
 
chromatographic (2)
 On This Day... 21 March
 On This Day... 5 December
 
chromatography (5)
 Data1: Helium
 On This Day... 19 December
 On This Day... 21 June
 On This Day... 5 December
 On This Day... 9 February
 
chrome (3)
 Compounds: Cerium
 Names: Chromium
 Production: Chromium
 
chromic (1)
 Biography: Robert Wilhelm Bunsen
 
chromite (3)
 Data1: Chromium
 Glossary: Refractory
 Production: Chromium
 
chromium (45)
 Atomic data: Chromium
 Biography: Louis Nicolas Vauquelin
 Biography: Martin Heinrich Klaproth
 Biography: Robert Wilhelm Bunsen
 Compounds: Chromium
 Compounds: Titanium
 Country: Albania
 Country: Australia
 Country: Brazil
 Country: Burma (Myanmar)
 Country: China
 Country: Cuba
 Country: Finland
 Country: India
 Country: Iran
 Country: Kazakhstan
 Country: Madagascar
 Country: Oman
 Country: Pakistan
 Country: Philippines
 Country: Russia
 Country: South Africa
 Country: Sudan
 Country: Turkey
 Country: Vietnam
 Country: Zimbabwe
 Data1: Beryllium
 Data1: Bohrium
 Data1: Chromium
 Data1: Vanadium
 Data2: Chromium
 Data2: Selenium
 Document: Abundance of the Elements in the Solar System
 Document: Chemical makeup of the human body
 Glossary: Magnetic Ordering
 Isotope: Chromium
 MAC data: Chromium
 Names: Chromium
 On This Day... 16 May
 On This Day... 31 December
 Production: Bohrium
 Production: Chromium
 Production: Seaborgium
 Reactions: Chromium
 Spectrum: Chromium
 
chromosphere (3)
 Biography: Pierre Jules César Janssen
 Country: Outer space
 Data1: Helium
 
chronic (3)
 Compounds: Lanthanum
 Data1: Chromium
 Data1: Plutonium
 
chronicle (1)
 Biography: Jöns Jacob Berzelius
 
chroom (1)
 Names: Chromium
 
chrysoberyl (2)
 Data1: Beryllium
 Production: Beryllium
 
chugaev (1)
 On This Day... 17 October
 
chumbo (1)
 Names: Lead
 
chuquicamata (2)
 Country: Chile
 Production: Copper
 
church (3)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Joseph Priestley
 Biography: William Gregor
 
churches (1)
 Biography: Joseph Priestley
 
ci} (1)
 Equation: Reaction quotient
 
cicero (1)
 Biography: Julius Caesar Scaliger
 
ciceronians (1)
 Biography: Julius Caesar Scaliger
 
ciceronianus (1)
 Biography: Julius Caesar Scaliger
 
cigar (1)
 Biography: Robert Wilhelm Bunsen
 
cigarette (2)
 Data1: Radon
 Document: The Lanthanoid Series
 
cigarettes (1)
 Data1: Radon
 
cigs (4)
 Compounds: Copper
 Compounds: Gadolinium
 Compounds: Indium
 Compounds: Selenium
 
cinc (1)
 Names: Zinc
 
cink (1)
 Names: Zinc
 
cinnabar (4)
 Data1: Mercury
 Data1: Sulfur
 Production: Mercury
 Production: Sulfur
 
cinnamon (1)
 Compounds: Sodium
 
cipec (1)
 Production: Copper
 
circonio (1)
 Names: Zirconium
 
circuit (4)
 Compounds: Germanium
 Compounds: Iron
 Compounds: Silicon
 Compounds: Sodium
 
circuitry (2)
 Biography: Albert Ghiorso
 Compounds: Tantalum
 
circuits (4)
 Compounds: Arsenic
 Compounds: Gallium
 Compounds: Tantalum
 Data1: Arsenic
 
circular (1)
 Biography: Hans Christian Oersted
 
circulating (2)
 Biography: Philip Hauge Abelson
 Compounds: Iodine
 
circulation (2)
 Compounds: Technetium
 Data1: Gold
 
circulatory (1)
 Data1: Technetium
 
circumstance (1)
 Document: The Alkali (Group 1) Metals
 
circumstances (4)
 Biography: Pierre Curie
 Glossary: Alkali Metal
 Reactions: Gold
 Reactions: Titanium
 
cirkonij (1)
 Names: Zirconium
 
cisternay (1)
 On This Day... 14 September
 
cities (1)
 Data1: Copper
 
citizen (3)
 Biography: Emilio Gino Segre
 Biography: Lise Meitner
 Production: Radon
 
citrate (3)
 Compounds: Lithium
 Compounds: Sodium
 Data1: Lithium
 
citric (6)
 Biography: Karl Wilhelm Scheele
 Compounds: Chlorine
 Compounds: Potassium
 Compounds: Sodium
 Glossary: Acid
 On This Day... 25 August
 
citrobacter (1)
 Production: Uranium
 
citrobactor (1)
 Production: Uranium
 
citrus (2)
 Data1: Bromine
 Glossary: Acid
 
city (12)
 Biography: Gottfried Münzenberg
 Biography: Julius Caesar Scaliger
 Biography: Michael Faraday
 Biography: Robert Wilhelm Bunsen
 Biography: Sir William Crookes
 Country: South Africa
 Data1: Dubnium
 Data1: Magnesium
 Data1: Nitrogen
 Data1: Sulfur
 Data1: Vanadium
 Production: Gold
 
civil (1)
 Biography: Joseph Louis Gay-Lussac
 
civilians (1)
 Data1: Phosphorus
 
civilization (1)
 Data1: Copper
 
civilizations (3)
 Country: United Kingdom
 Data1: Copper
 Data1: Tin
 
ckel (1)
 On This Day... 27 January
 
cl (56)
 Atomic data: Chlorine
 Compounds: Hydrogen
 Compounds: Plutonium
 Data1: Chlorine
 Data1: Phosphorus
 Data1: Vanadium
 Data2: Aluminium
 Data2: Antimony
 Data2: Arsenic
 Data2: Beryllium
 Data2: Bismuth
 Data2: Boron
 Data2: Chlorine
 Data2: Germanium
 Data2: Hydrogen
 Data2: Iodine
 Data2: Lead
 Data2: Nitrogen
 Data2: Phosphorus
 Data2: Selenium
 Data2: Silicon
 Data2: Sulfur
 Data2: Tellurium
 Data2: Thallium
 Data2: Tin
 Isotope: Argon
 Isotope: Chlorine
 Isotope: Sulfur
 Production: Arsenic
 Production: Barium
 Production: Magnesium
 Production: Strontium
 Production: Vanadium
 Reactions: Aluminium
 Reactions: Bismuth
 Reactions: Calcium
 Reactions: Chlorine
 Reactions: Chromium
 Reactions: Copper
 Reactions: Gold
 Reactions: Iodine
 Reactions: Iridium
 Reactions: Magnesium
 Reactions: Mercury
 Reactions: Osmium
 Reactions: Palladium
 Reactions: Platinum
 Reactions: Plutonium
 Reactions: Rhodium
 Reactions: Ruthenium
 Reactions: Scandium
 Reactions: Silver
 Reactions: Strontium
 Reactions: Thallium
 Reactions: Yttrium
 Spectrum: Chlorine
 
cl+ (1)
 Atomic data: Chlorine
 
cl+1 (1)
 Data2: Chlorine
 
cl+3 (1)
 Data2: Chlorine
 
cl+4 (1)
 Data2: Chlorine
 
cl+5 (1)
 Data2: Chlorine
 
cl+6 (1)
 Data2: Chlorine
 
cl+7 (1)
 Data2: Chlorine
 
cl2 (71)
 Data1: Chlorine
 Data2: Chlorine
 Document: The Halogens (Group 17)
 Glossary: Exothermic
 Glossary: Molecule
 Production: Barium
 Production: Chlorine
 Production: Magnesium
 Production: Strontium
 Reactions: Aluminium
 Reactions: Antimony
 Reactions: Arsenic
 Reactions: Beryllium
 Reactions: Bismuth
 Reactions: Boron
 Reactions: Bromine
 Reactions: Caesium
 Reactions: Calcium
 Reactions: Cerium
 Reactions: Chlorine
 Reactions: Chromium
 Reactions: Cobalt
 Reactions: Copper
 Reactions: Dysprosium
 Reactions: Erbium
 Reactions: Europium
 Reactions: Fluorine
 Reactions: Gadolinium
 Reactions: Gold
 Reactions: Hafnium
 Reactions: Holmium
 Reactions: Iodine
 Reactions: Iridium
 Reactions: Iron
 Reactions: Lanthanum
 Reactions: Lead
 Reactions: Lithium
 Reactions: Lutetium
 Reactions: Magnesium
 Reactions: Manganese
 Reactions: Mercury
 Reactions: Neodymium
 Reactions: Nickel
 Reactions: Niobium
 Reactions: Osmium
 Reactions: Palladium
 Reactions: Phosphorus
 Reactions: Platinum
 Reactions: Polonium
 Reactions: Potassium
 Reactions: Praseodymium
 Reactions: Rhodium
 Reactions: Rubidium
 Reactions: Ruthenium
 Reactions: Samarium
 Reactions: Scandium
 Reactions: Selenium
 Reactions: Silicon
 Reactions: Sodium
 Reactions: Strontium
 Reactions: Sulfur
 Reactions: Tantalum
 Reactions: Tellurium
 Reactions: Terbium
 Reactions: Thallium
 Reactions: Thulium
 Reactions: Titanium
 Reactions: Tungsten
 Reactions: Ytterbium
 Reactions: Yttrium
 Reactions: Zirconium
 
cl22scl2 (1)
 Reactions: Sulfur
 
cl2o (1)
 Biography: Antoine-Jerome Balard
 
clad (2)
 Biography: Sir Humphry Davy
 Data1: Nickel
 
cladding (2)
 Compounds: Zirconium
 Production: Radon
 
claim (7)
 Biography: Robert Wilhelm Bunsen
 Data1: Fermium
 Data1: Ruthenium
 Data1: Ununhexium
 Data1: Ununpentium
 Data1: Ununquadium
 Data1: Ununtrium
 
claimed (11)
 Biography: Ferdinand Frederic Henri Moissan
 Compounds: Sodium
 Compounds: Zinc
 Country: Oceans / Seas
 Data1: Gallium
 Data1: Gold
 Data1: Promethium
 Data1: Rutherfordium
 Data1: Technetium
 On This Day... 19 April
 Production: Gold
 
claiming (2)
 Biography: Ida Eva Tacke Noddack
 Biography: Jean Charles Galissard de Marignac
 
claims (3)
 Biography: Sir Humphry Davy
 Data1: Francium
 Data1: Promethium
 
claire (2)
 Data1: Aluminium
 On This Day... 11 March
 
claisen (1)
 On This Day... 14 January
 
clara (1)
 On This Day... 21 June
 
clarity (2)
 Compounds: Aluminium
 Compounds: Yttrium
 
clark (1)
 On This Day... 24 October
 
class (10)
 Allotrope: Carbon
 Compounds: Chromium
 Compounds: Copper
 Compounds: Sodium
 Country: Outer space
 Data1: Arsenic
 Data1: Fluorine
 Glossary: Pyrophoric
 Production: Lanthanum
 Production: Silicon
 
classed (2)
 Isotope: Technetium
 Production: Uranium
 
classes (5)
 Compounds: Palladium
 Data1: Molybdenum
 Data1: Sodium
 Glossary: Group
 Glossary: Magnetic Ordering
 
classic (3)
 Biography: John William Strutt Rayleigh
 Data1: Lead
 Glossary: Temperature
 
classical (3)
 Biography: Julius Caesar Scaliger
 Country: United Kingdom
 Data1: Tin
 
classics (1)
 Biography: Frederick Soddy
 
classification (120)
 Biography: Julius Caesar Scaliger
 Data1: Actinium
 Data1: Aluminium
 Data1: Americium
 Data1: Antimony
 Data1: Argon
 Data1: Arsenic
 Data1: Astatine
 Data1: Barium
 Data1: Berkelium
 Data1: Beryllium
 Data1: Bismuth
 Data1: Bohrium
 Data1: Boron
 Data1: Bromine
 Data1: Cadmium
 Data1: Caesium
 Data1: Calcium
 Data1: Californium
 Data1: Carbon
 Data1: Cerium
 Data1: Chlorine
 Data1: Chromium
 Data1: Cobalt
 Data1: Copper
 Data1: Curium
 Data1: Darmstadtium
 Data1: Dubnium
 Data1: Dysprosium
 Data1: Einsteinium
 Data1: Erbium
 Data1: Europium
 Data1: Fermium
 Data1: Fluorine
 Data1: Francium
 Data1: Gadolinium
 Data1: Gallium
 Data1: Germanium
 Data1: Gold
 Data1: Hafnium
 Data1: Hassium
 Data1: Helium
 Data1: Holmium
 Data1: Hydrogen
 Data1: Indium
 Data1: Iodine
 Data1: Iridium
 Data1: Iron
 Data1: Krypton
 Data1: Lanthanum
 Data1: Lawrencium
 Data1: Lead
 Data1: Lithium
 Data1: Lutetium
 Data1: Magnesium
 Data1: Manganese
 Data1: Meitnerium
 Data1: Mendelevium
 Data1: Mercury
 Data1: Molybdenum
 Data1: Neodymium
 Data1: Neon
 Data1: Neptunium
 Data1: Nickel
 Data1: Niobium
 Data1: Nitrogen
 Data1: Nobelium
 Data1: Osmium
 Data1: Oxygen
 Data1: Palladium
 Data1: Phosphorus
 Data1: Platinum
 Data1: Plutonium
 Data1: Polonium
 Data1: Potassium
 Data1: Praseodymium
 Data1: Promethium
 Data1: Protactinium
 Data1: Radium
 Data1: Radon
 Data1: Rhenium
 Data1: Rhodium
 Data1: Roentgenium
 Data1: Rubidium
 Data1: Ruthenium
 Data1: Rutherfordium
 Data1: Samarium
 Data1: Scandium
 Data1: Seaborgium
 Data1: Selenium
 Data1: Silicon
 Data1: Silver
 Data1: Sodium
 Data1: Strontium
 Data1: Sulfur
 Data1: Tantalum
 Data1: Technetium
 Data1: Tellurium
 Data1: Terbium
 Data1: Thallium
 Data1: Thorium
 Data1: Thulium
 Data1: Tin
 Data1: Titanium
 Data1: Tungsten
 Data1: Ununbium
 Data1: Ununhexium
 Data1: Ununoctium
 Data1: Ununpentium
 Data1: Ununquadium
 Data1: Ununseptium
 Data1: Ununtrium
 Data1: Uranium
 Data1: Vanadium
 Data1: Xenon
 Data1: Ytterbium
 Data1: Yttrium
 Data1: Zinc
 Data1: Zirconium
 Glossary: Goldschmidt Classification
 
classified (7)
 Compounds: Gold
 Compounds: Phosphorus
 Data1: Germanium
 Data1: Terbium
 Glossary: Magnetic Ordering
 Glossary: Neutron
 Glossary: Proton
 
classifier (1)
 On This Day... 6 January
 
clathrate (1)
 Biography: Michael Faraday
 
claude (4)
 Biography: Louis Jacques Thenard
 Data1: Bismuth
 Data1: Thallium
 On This Day... 24 September
 
clausius (2)
 Biography: Joseph Louis Gay-Lussac
 On This Day... 2 January
 
clay (8)
 Compounds: Silicon
 Compounds: Sodium
 Country: China
 Data1: Silicon
 Glossary: Desiccant
 On This Day... 27 June
 Production: Dysprosium
 Production: Silicon
 
clays (6)
 Production: Erbium
 Production: Holmium
 Production: Terbium
 Production: Thallium
 Production: Thulium
 Production: Yttrium
 
clbr (2)
 Reactions: Bromine
 Reactions: Chlorine
 
clean (2)
 Compounds: Oxygen
 Reactions: Silver
 
cleaner (3)
 Compounds: Boron
 Compounds: Sodium
 Data1: Polonium
 
cleaning (7)
 Allotrope: Oxygen
 Compounds: Boron
 Compounds: Cerium
 Compounds: Chlorine
 Compounds: Sulfur
 Data1: Chlorine
 Glossary: Aqua regia
 
cleanly (1)
 Data1: Neodymium
 
cleansing (1)
 Compounds: Sodium
 
clear (5)
 Allotrope: Boron
 Biography: Philip Hauge Abelson
 Compounds: Sodium
 Data1: Fluorine
 Production: Fluorine
 
clearly (3)
 Biography: Robert Wilhelm Bunsen
 Glossary: Metalloids
 Glossary: X-Rays
 
clearness (1)
 Biography: Jöns Jacob Berzelius
 
cleft (1)
 Glossary: Teratogenic
 
clemens (3)
 Biography: Clemens Alexander Winkler
 Data1: Germanium
 On This Day... 26 December
 
clement (1)
 Data1: Iodine
 
clergyman (1)
 Biography: William Hyde Wollaston
 
clerk (3)
 Biography: John William Strutt Rayleigh
 On This Day... 13 June
 On This Day... 13 November
 
cleve (9)
 Biography: Jacques-Louis Soret
 Biography: Per Teodor Cleve
 Compounds: Holmium
 Data1: Helium
 Data1: Holmium
 Data1: Praseodymium
 Data1: Scandium
 Data1: Thulium
 On This Day... 10 February
 
cleveite (1)
 Data1: Helium
 
cleveites (1)
 Production: Helium
 
clf (2)
 Reactions: Chlorine
 Reactions: Fluorine
 
clf3 (7)
 Data2: Calcium
 Data2: Carbon
 Data2: Rhodium
 Data2: Silver
 Data2: Tungsten
 Reactions: Chlorine
 Reactions: Fluorine
 
clf5 (2)
 Reactions: Chlorine
 Reactions: Fluorine
 
cli (1)
 Reactions: Chlorine
 
click (1)
 Glossary: CAS
 
clifford (1)
 On This Day... 23 September
 
climate (1)
 Biography: John William Strutt Rayleigh
 
climates (1)
 Production: Chlorine
 
climax (1)
 Country: United States of America
 
cline (1)
 On This Day... 5 August
 
clinical (4)
 Compounds: Iodine
 Data1: Ruthenium
 Data1: Selenium
 On This Day... 29 March
 
clinically (1)
 Data1: Antimony
 
clinics (1)
 Data1: Nitrogen
 
clo (3)
 Compounds: Calcium
 Compounds: Chlorine
 Reactions: Chlorine
 
clo2 (3)
 Compounds: Chlorine
 Data2: Mercury
 Reactions: Chlorine
 
clo3 (1)
 Reactions: Chlorine
 
clo4 (2)
 Reactions: Cerium
 Reactions: Chlorine
 
clock (1)
 Data1: Osmium
 
clocks (4)
 Data1: Caesium
 Data1: Radium
 Data1: Rubidium
 Data1: Zinc
 
clog (1)
 Production: Iron
 
cloro (1)
 Names: Chlorine
 
close (61)
 Biography: Antoine-Laurent de Lavoisier
 Biography: Hans Christian Oersted
 Biography: Julius Caesar Scaliger
 Compounds: Iodine
 Compounds: Nitrogen
 Data1: Dysprosium
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Argon
 Data2: Berkelium
 Data2: Beryllium
 Data2: Cadmium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Dysprosium
 Data2: Erbium
 Data2: Gadolinium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Hydrogen
 Data2: Iridium
 Data2: Krypton
 Data2: Lanthanum
 Data2: Lead
 Data2: Lutetium
 Data2: Magnesium
 Data2: Neodymium
 Data2: Neon
 Data2: Nickel
 Data2: Nitrogen
 Data2: Osmium
 Data2: Palladium
 Data2: Platinum
 Data2: Praseodymium
 Data2: Rhenium
 Data2: Rhodium
 Data2: Ruthenium
 Data2: Scandium
 Data2: Silver
 Data2: Strontium
 Data2: Technetium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Titanium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 Glossary: Island of Stability
 Glossary: Poisson Ratio
 Glossary: Temperature
 
closed (6)
 Country: United Kingdom
 Data1: Tin
 Glossary: Enthalpy Change of Fusion (Heat of Fusion)
 Glossary: Superconducting temperature
 On This Day... 18 February
 Production: Thulium
 
closely (10)
 Biography: Irene Joliot-Curie
 Compounds: Chlorine
 Compounds: Sodium
 Data1: Niobium
 Document: The Lanthanoid Series
 Glossary: Lanthanides (old name)
 Glossary: Lanthanoids
 Production: Cadmium
 Production: Lead
 Production: Silver
 
closest (1)
 Glossary: Energy Levels
 
clostridia (1)
 Production: Technetium
 
clostridium (2)
 Compounds: Sodium
 Production: Technetium
 
cloth (1)
 Compounds: Aluminium
 
clothing (3)
 Compounds: Aluminium
 Compounds: Sodium
 Data1: Antimony
 
cloud (6)
 Biography: Ida Eva Tacke Noddack
 Compounds: Iodine
 Compounds: Nitrogen
 Compounds: Potassium
 Data1: Iodine
 On This Day... 4 July
 
clouds (4)
 Country: Outer space
 Data1: Neon
 Glossary: Plasma
 Production: Neon
 
cloves (1)
 Compounds: Sodium
 
clump (1)
 Data1: Sodium
 
cluster (1)
 Allotrope: Carbon
 
clusters (1)
 Glossary: Liquid
 
cm (131)
 Compounds: Zirconium
 Data1: Berkelium
 Data1: Californium
 Data1: Curium
 Data1: Nobelium
 Data1: Ununhexium
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Argon
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Bohrium
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Darmstadtium
 Data2: Dubnium
 Data2: Dysprosium
 Data2: Einsteinium
 Data2: Erbium
 Data2: Europium
 Data2: Fermium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Hassium
 Data2: Helium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iridium
 Data2: Iron
 Data2: Krypton
 Data2: Lanthanum
 Data2: Lawrencium
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Meitnerium
 Data2: Mendelevium
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neon
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Radon
 Data2: Rhenium
 Data2: Rhodium
 Data2: Roentgenium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Rutherfordium
 Data2: Samarium
 Data2: Scandium
 Data2: Seaborgium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Strontium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Ununbium
 Data2: Ununhexium
 Data2: Ununoctium
 Data2: Ununpentium
 Data2: Ununquadium
 Data2: Ununseptium
 Data2: Ununtrium
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 Isotope: Berkelium
 Isotope: Californium
 Isotope: Curium
 Production: Berkelium
 Production: Californium
 Production: Nobelium
 Spectrum: Curium
 
cm+2 (1)
 Data2: Curium
 
cm+3 (1)
 Data2: Curium
 
cm+4 (1)
 Data2: Curium
 
cm2 (92)
 MAC data: Actinium
 MAC data: Aluminium
 MAC data: Antimony
 MAC data: Argon
 MAC data: Arsenic
 MAC data: Astatine
 MAC data: Barium
 MAC data: Beryllium
 MAC data: Bismuth
 MAC data: Boron
 MAC data: Bromine
 MAC data: Cadmium
 MAC data: Caesium
 MAC data: Calcium
 MAC data: Carbon
 MAC data: Cerium
 MAC data: Chlorine
 MAC data: Chromium
 MAC data: Cobalt
 MAC data: Copper
 MAC data: Dysprosium
 MAC data: Erbium
 MAC data: Europium
 MAC data: Fluorine
 MAC data: Francium
 MAC data: Gadolinium
 MAC data: Gallium
 MAC data: Germanium
 MAC data: Gold
 MAC data: Hafnium
 MAC data: Helium
 MAC data: Holmium
 MAC data: Hydrogen
 MAC data: Indium
 MAC data: Iodine
 MAC data: Iridium
 MAC data: Iron
 MAC data: Krypton
 MAC data: Lanthanum
 MAC data: Lead
 MAC data: Lithium
 MAC data: Lutetium
 MAC data: Magnesium
 MAC data: Manganese
 MAC data: Mercury
 MAC data: Molybdenum
 MAC data: Neodymium
 MAC data: Neon
 MAC data: Nickel
 MAC data: Niobium
 MAC data: Nitrogen
 MAC data: Osmium
 MAC data: Oxygen
 MAC data: Palladium
 MAC data: Phosphorus
 MAC data: Platinum
 MAC data: Polonium
 MAC data: Potassium
 MAC data: Praseodymium
 MAC data: Promethium
 MAC data: Protactinium
 MAC data: Radium
 MAC data: Radon
 MAC data: Rhenium
 MAC data: Rhodium
 MAC data: Rubidium
 MAC data: Ruthenium
 MAC data: Samarium
 MAC data: Scandium
 MAC data: Selenium
 MAC data: Silicon
 MAC data: Silver
 MAC data: Sodium
 MAC data: Strontium
 MAC data: Sulfur
 MAC data: Tantalum
 MAC data: Technetium
 MAC data: Tellurium
 MAC data: Terbium
 MAC data: Thallium
 MAC data: Thorium
 MAC data: Thulium
 MAC data: Tin
 MAC data: Titanium
 MAC data: Tungsten
 MAC data: Uranium
 MAC data: Vanadium
 MAC data: Xenon
 MAC data: Ytterbium
 MAC data: Yttrium
 MAC data: Zinc
 MAC data: Zirconium
 
cm3 (206)
 Allotrope: Boron
 Data1: Actinium
 Data1: Aluminium
 Data1: Americium
 Data1: Antimony
 Data1: Arsenic
 Data1: Barium
 Data1: Berkelium
 Data1: Beryllium
 Data1: Bismuth
 Data1: Boron
 Data1: Bromine
 Data1: Cadmium
 Data1: Caesium
 Data1: Calcium
 Data1: Carbon
 Data1: Cerium
 Data1: Chromium
 Data1: Cobalt
 Data1: Copper
 Data1: Curium
 Data1: Dysprosium
 Data1: Einsteinium
 Data1: Erbium
 Data1: Europium
 Data1: Francium
 Data1: Gadolinium
 Data1: Gallium
 Data1: Germanium
 Data1: Gold
 Data1: Hafnium
 Data1: Holmium
 Data1: Hydrogen
 Data1: Indium
 Data1: Iodine
 Data1: Iridium
 Data1: Iron
 Data1: Lanthanum
 Data1: Lead
 Data1: Lithium
 Data1: Lutetium
 Data1: Magnesium
 Data1: Manganese
 Data1: Mercury
 Data1: Molybdenum
 Data1: Neodymium
 Data1: Neptunium
 Data1: Nickel
 Data1: Niobium
 Data1: Osmium
 Data1: Palladium
 Data1: Phosphorus
 Data1: Platinum
 Data1: Plutonium
 Data1: Polonium
 Data1: Potassium
 Data1: Praseodymium
 Data1: Promethium
 Data1: Protactinium
 Data1: Radium
 Data1: Rhenium
 Data1: Rhodium
 Data1: Rubidium
 Data1: Ruthenium
 Data1: Samarium
 Data1: Scandium
 Data1: Selenium
 Data1: Silicon
 Data1: Silver
 Data1: Sodium
 Data1: Strontium
 Data1: Sulfur
 Data1: Tantalum
 Data1: Technetium
 Data1: Tellurium
 Data1: Terbium
 Data1: Thallium
 Data1: Thorium
 Data1: Thulium
 Data1: Tin
 Data1: Titanium
 Data1: Tungsten
 Data1: Uranium
 Data1: Vanadium
 Data1: Ytterbium
 Data1: Yttrium
 Data1: Zinc
 Data1: Zirconium
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Argon
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Bohrium
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Darmstadtium
 Data2: Dubnium
 Data2: Dysprosium
 Data2: Einsteinium
 Data2: Erbium
 Data2: Europium
 Data2: Fermium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Hassium
 Data2: Helium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iridium
 Data2: Iron
 Data2: Krypton
 Data2: Lanthanum
 Data2: Lawrencium
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Meitnerium
 Data2: Mendelevium
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neon
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Radon
 Data2: Rhenium
 Data2: Rhodium
 Data2: Roentgenium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Rutherfordium
 Data2: Samarium
 Data2: Scandium
 Data2: Seaborgium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Strontium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Ununbium
 Data2: Ununhexium
 Data2: Ununoctium
 Data2: Ununpentium
 Data2: Ununquadium
 Data2: Ununseptium
 Data2: Ununtrium
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 
cn (10)
 Data2: Carbon
 Reactions: Cadmium
 Reactions: Carbon
 Reactions: Iron
 Reactions: Manganese
 Reactions: Mercury
 Reactions: Nickel
 Reactions: Silver
 Reactions: Tungsten
 Reactions: Zinc
 
cno (4)
 Country: Outer space
 Isotope: Oxygen
 Production: Helium
 Reactions: Carbon
 
co (35)
 Allotrope: Carbon
 Atomic data: Cobalt
 Biography: Albert Ghiorso
 Biography: Antoine-Laurent de Lavoisier
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: George Charles de Hevesy
 Biography: Hieronymous Theodor Richter
 Biography: Irene Joliot-Curie
 Biography: Jacob A. Marinsky
 Biography: Jacques-Louis Soret
 Biography: Joseph Louis Gay-Lussac
 Biography: Joseph W. Kennedy
 Biography: Juan Jose Elhuyar
 Compounds: Carbon
 Compounds: Nitrogen
 Data1: Cobalt
 Data1: Francium
 Data2: Carbon
 Data2: Cobalt
 Isotope: Cobalt
 Isotope: Iron
 Isotope: Nickel
 On This Day... 15 June
 On This Day... 18 November
 On This Day... 21 November
 On This Day... 28 October
 On This Day... 9 March
 Production: Hydrogen
 Production: Iron
 Production: Sodium
 Production: Tin
 Production: Vanadium
 Reactions: Carbon
 Reactions: Cobalt
 Spectrum: Cobalt
 
co+ (1)
 Atomic data: Cobalt
 
co+1 (1)
 Data2: Cobalt
 
co+2 (1)
 Data2: Cobalt
 
co+3 (1)
 Data2: Cobalt
 
co+4 (1)
 Data2: Cobalt
 
co+5 (1)
 Data2: Cobalt
 
co0 (1)
 Data2: Cobalt
 
co2 (10)
 Compounds: Carbon
 Compounds: Lithium
 Data2: Uranium
 Glossary: Endothermic
 Isotope: Beryllium
 Production: Aluminium
 Production: Hydrogen
 Production: Iron
 Production: Magnesium
 Reactions: Carbon
 
co2+ (1)
 Reactions: Cobalt
 
co2h (1)
 Reactions: Carbon
 
co2o3 (1)
 Reactions: Cobalt
 
co3 (11)
 Data1: Copper
 Data1: Magnesium
 Production: Arsenic
 Production: Calcium
 Production: Carbon
 Production: Cerium
 Production: Copper
 Production: Iron
 Production: Magnesium
 Production: Neodymium
 Production: Yttrium
 
co3+ (1)
 Reactions: Cobalt
 
co3f (2)
 Data1: Neodymium
 Production: Cerium
 
co3o4 (1)
 Reactions: Cobalt
 
co3s4 (1)
 Data1: Cobalt
 
coach (1)
 Biography: Charles Hatchett
 
coagulant (2)
 Compounds: Calcium
 Compounds: Magnesium
 
coagulate (1)
 Compounds: Aluminium
 
coagulation (1)
 Compounds: Zinc
 
coagulator (1)
 Compounds: Sulfur
 
coal (20)
 Allotrope: Carbon
 Biography: Morris Travers
 Compounds: Carbon
 Compounds: Sulfur
 Data1: Carbon
 Data1: Gallium
 Data1: Germanium
 Data1: Sulfur
 Data1: Tin
 Data1: Titanium
 Data1: Vanadium
 Glossary: Allotrope
 Production: Carbon
 Production: Gallium
 Production: Germanium
 Production: Selenium
 Production: Tin
 Production: Titanium
 Production: Vanadium
 Production: Zinc
 
coals (1)
 Production: Germanium
 
coare (1)
 Production: Lanthanum
 
coas3 (1)
 Production: Arsenic
 
coass (2)
 Data1: Cobalt
 Production: Arsenic
 
coast (3)
 Biography: Dmitriy Ivanovich Mendeleyev
 Country: Ivory Coast
 Production: Sulfur
 
coasts (1)
 Data1: Iodine
 
coat (3)
 Compounds: Titanium
 Data1: Indium
 Data1: Zinc
 
coated (9)
 Compounds: Calcium
 Compounds: Copper
 Compounds: Gadolinium
 Compounds: Indium
 Compounds: Selenium
 Data1: Vanadium
 Reactions: Hafnium
 Reactions: Titanium
 Reactions: Zirconium
 
coating (18)
 Biography: Robert Wilhelm Bunsen
 Compounds: Aluminium
 Compounds: Lead
 Compounds: Molybdenum
 Compounds: Tin
 Compounds: Titanium
 Compounds: Zinc
 Compounds: Zirconium
 Data1: Barium
 Data1: Fluorine
 Data1: Indium
 Data1: Rhodium
 Data1: Thorium
 Data1: Tin
 Data1: Zirconium
 Document: The Actinoid Series
 Glossary: Refractory
 Production: Fluorine
 
coatings (10)
 Compounds: Chromium
 Compounds: Hafnium
 Compounds: Indium
 Compounds: Niobium
 Compounds: Titanium
 Compounds: Zirconium
 Data1: Manganese
 Data1: Molybdenum
 Data1: Zirconium
 On This Day... 31 December
 
coauthored (1)
 On This Day... 27 May
 
cobalamin (1)
 Data1: Cobalt
 
cobalos (1)
 Data1: Cobalt
 
cobalt (44)
 Atomic data: Cobalt
 Biography: Georg Brandt
 Compounds: Cobalt
 Compounds: Neodymium
 Compounds: Samarium
 Compounds: Titanium
 Country: Australia
 Country: Botswana
 Country: Brazil
 Country: Canada
 Country: China
 Country: Cuba
 Country: Democratic Republic of Congo
 Country: Finland
 Country: India
 Country: Indonesia
 Country: Japan
 Country: Morocco
 Country: New Caledonia
 Country: Norway
 Country: Russia
 Country: South Africa
 Country: Uganda
 Country: Zambia
 Country: Zimbabwe
 Data1: Cobalt
 Data1: Neodymium
 Data1: Niobium
 Data1: Platinum
 Data1: Samarium
 Data2: Cobalt
 Document: Abundance of the Elements in the Solar System
 Document: Chemical makeup of the human body
 Isotope: Cobalt
 Isotope: Nickel
 MAC data: Cobalt
 Names: Cobalt
 On This Day... 26 June
 On This Day... 9 September
 Production: Arsenic
 Production: Cobalt
 Production: Zinc
 Reactions: Cobalt
 Spectrum: Cobalt
 
cobaltine (1)
 Data1: Cobalt
 
cobaltite (2)
 Production: Arsenic
 Production: Cobalt
 
cobalto (1)
 Names: Cobalt
 
cobaltous (1)
 Compounds: Cobalt
 
cobaltum (1)
 Names: Cobalt
 
cobr2 (1)
 Reactions: Cobalt
 
cobre (1)
 Names: Copper
 
cockroaches (1)
 Data1: Boron
 
cocktails (1)
 Data1: Phosphorus
 
cocl2 (2)
 Compounds: Cobalt
 Reactions: Cobalt
 
code (2)
 Data1: Gold
 Data1: Silver
 
codeine (1)
 On This Day... 13 January
 
codeveloped (1)
 On This Day... 22 February
 
codex (1)
 Data1: Cadmium
 
codiscovered (4)
 Biography: Glenn Theodore Seaborg
 Biography: Jean Charles Galissard de Marignac
 On This Day... 24 January
 On This Day... 26 March
 
codiscoverer (1)
 On This Day... 27 August
 
coefficient (3)
 Biography: Joseph Louis Gay-Lussac
 Compounds: Barium
 Glossary: Thermal Expansion
 
coefficients (2)
 Equation: Reaction quotient
 Glossary: Refractory
 
coenzyme (1)
 On This Day... 12 June
 
coercivity (1)
 Data1: Chromium
 
coffinite (1)
 Production: Uranium
 
cognates (1)
 Data1: Tin
 
coherent (1)
 Data1: Magnesium
 
coi2 (1)
 Reactions: Cobalt
 
coin (1)
 Data1: Nickel
 
coinage (3)
 Data1: Copper
 Data1: Gold
 Data1: Silver
 
coincidentally (1)
 Data1: Plutonium
 
coinciding (1)
 Biography: Robert Wilhelm Bunsen
 
coined (3)
 Data1: Silver
 Document: The Halogens (Group 17)
 On This Day... 18 February
 
coins (3)
 Data1: Copper
 Data1: Nickel
 Data1: Silver
 
coke (4)
 Production: Iron
 Production: Sodium
 Production: Zinc
 Reactions: Carbon
 
cold (40)
 Biography: Bernard Courtois
 Biography: Glenn Theodore Seaborg
 Biography: Gottfried Münzenberg
 Biography: Philip Hauge Abelson
 Compounds: Copper
 Compounds: Nitrogen
 Compounds: Sodium
 Country: United States of America
 Data1: Beryllium
 Data1: Caesium
 Data1: Einsteinium
 Data1: Fermium
 Data1: Iodine
 Data1: Lanthanum
 Data1: Nitrogen
 Data1: Radon
 Data1: Scandium
 Data1: Zinc
 Document: The Lanthanoid Series
 Glossary: Emission Spectrum
 Glossary: Enthalpy Change of Fusion (Heat of Fusion)
 Glossary: Temperature
 Production: Einsteinium
 Reactions: Cerium
 Reactions: Dysprosium
 Reactions: Erbium
 Reactions: Europium
 Reactions: Gadolinium
 Reactions: Hafnium
 Reactions: Holmium
 Reactions: Lanthanum
 Reactions: Lead
 Reactions: Lutetium
 Reactions: Neodymium
 Reactions: Praseodymium
 Reactions: Samarium
 Reactions: Terbium
 Reactions: Thulium
 Reactions: Ytterbium
 Reactions: Zirconium
 
coldest (1)
 Glossary: Kelvin (absolute temperature)
 
colemanite (1)
 Production: Boron
 
coleridge (1)
 Compounds: Nitrogen
 
colgate (1)
 Compounds: Sodium
 
colin (1)
 On This Day... 31 December
 
collaborated (3)
 Biography: Louis Nicolas Vauquelin
 Biography: Otto Hahn
 Biography: Pierre Curie
 
collaboration (9)
 Biography: Albert Ghiorso
 Biography: Andre Louis Debierne
 Biography: John William Strutt Rayleigh
 Biography: Jöns Jacob Berzelius
 Biography: Lise Meitner
 Biography: Robert Wilhelm Bunsen
 Biography: Walter Noddack
 Data1: Ununpentium
 Data1: Ununtrium
 
collaborator (2)
 Biography: Robert Wilhelm Bunsen
 On This Day... 20 January
 
collar (1)
 Biography: Julius Caesar Scaliger
 
colleague (4)
 Biography: Antoine-Laurent de Lavoisier
 Biography: Ida Eva Tacke Noddack
 Data1: Manganese
 Data1: Technetium
 
colleagues (5)
 Biography: Antoine-Laurent de Lavoisier
 Biography: Joseph Louis Gay-Lussac
 Biography: Lise Meitner
 Biography: Robert Wilhelm Bunsen
 Glossary: X-Rays
 
collect (2)
 Compounds: Sodium
 Glossary: X-Rays
 
collected (10)
 Biography: Enrico Fermi
 Biography: Henry Cavendish
 Biography: Pierre Jules César Janssen
 Biography: Robert Wilhelm Bunsen
 Country: United States of America
 Data1: Helium
 Data1: Lawrencium
 Data1: Radon
 On This Day... 16 December
 Production: Thorium
 
collecting (1)
 Biography: Philip Hauge Abelson
 
collection (4)
 Biography: Antoine-Laurent de Lavoisier
 Biography: Charles Hatchett
 Glossary: Gas
 On This Day... 24 March
 
collections (2)
 Biography: Robert Wilhelm Bunsen
 Data1: Neodymium
 
collectively (1)
 Glossary: Baryon
 
collector (1)
 Data1: Germanium
 
collectors (2)
 Country: Russia
 Data1: Indium
 
college (11)
 Biography: Antoine-Jerome Balard
 Biography: Antoine-Laurent de Lavoisier
 Biography: Dale R. Corson
 Biography: Irene Joliot-Curie
 Biography: Joseph W. Kennedy
 Biography: Louis Jacques Thenard
 Biography: Philip Hauge Abelson
 Biography: Sir William Crookes
 Biography: Sir William Ramsay
 Biography: William Gregor
 Data1: Thulium
 
collet (2)
 Data1: Iridium
 Data1: Vanadium
 
collide (1)
 Glossary: Temperature
 
colliders (3)
 Document: The Actinoid Series
 Glossary: Actinides
 Glossary: Actinoids
 
collides (1)
 Glossary: Antimatter
 
collision (2)
 Biography: Peter Armbruster
 Glossary: Antiproton
 
collisions (5)
 Biography: Peter Armbruster
 Data1: Rutherfordium
 Equation: Ideal gas law
 Glossary: Temperature
 Isotope: Helium
 
colloidal (1)
 On This Day... 27 January
 
colombia (4)
 Country: Colombia
 Data1: Gold
 Data1: Platinum
 Production: Platinum
 
colonel (1)
 Data1: Samarium
 
colonial (2)
 Biography: Joseph Priestley
 Production: Mercury
 
colonies (1)
 Country: Spain
 
colorado (5)
 Country: United States of America
 Data1: Gold
 Data1: Tungsten
 Production: Radium
 Production: Uranium
 
colored (1)
 Glossary: Alkali Metal
 
colour (151)
 Allotrope: Arsenic
 Allotrope: Carbon
 Allotrope: Sulfur
 Biography: Bernard Courtois
 Biography: Ferdinand Reich
 Biography: Georg Brandt
 Biography: John Dalton
 Biography: John William Strutt Rayleigh
 Biography: Robert Wilhelm Bunsen
 Biography: William Hyde Wollaston
 Compounds: Aluminium
 Compounds: Barium
 Compounds: Cobalt
 Compounds: Copper
 Compounds: Fluorine
 Compounds: Indium
 Compounds: Iron
 Compounds: Magnesium
 Compounds: Oxygen
 Compounds: Radium
 Compounds: Sodium
 Compounds: Strontium
 Compounds: Tin
 Compounds: Titanium
 Compounds: Yttrium
 Data1: Actinium
 Data1: Aluminium
 Data1: Americium
 Data1: Antimony
 Data1: Argon
 Data1: Arsenic
 Data1: Astatine
 Data1: Barium
 Data1: Berkelium
 Data1: Beryllium
 Data1: Bismuth
 Data1: Bohrium
 Data1: Boron
 Data1: Bromine
 Data1: Cadmium
 Data1: Caesium
 Data1: Calcium
 Data1: Californium
 Data1: Carbon
 Data1: Cerium
 Data1: Chlorine
 Data1: Chromium
 Data1: Cobalt
 Data1: Copper
 Data1: Curium
 Data1: Darmstadtium
 Data1: Dubnium
 Data1: Dysprosium
 Data1: Einsteinium
 Data1: Erbium
 Data1: Europium
 Data1: Fermium
 Data1: Fluorine
 Data1: Francium
 Data1: Gadolinium
 Data1: Gallium
 Data1: Germanium
 Data1: Gold
 Data1: Hafnium
 Data1: Hassium
 Data1: Helium
 Data1: Holmium
 Data1: Hydrogen
 Data1: Indium
 Data1: Iodine
 Data1: Iridium
 Data1: Iron
 Data1: Krypton
 Data1: Lanthanum
 Data1: Lawrencium
 Data1: Lead
 Data1: Lithium
 Data1: Lutetium
 Data1: Magnesium
 Data1: Manganese
 Data1: Meitnerium
 Data1: Mendelevium
 Data1: Mercury
 Data1: Molybdenum
 Data1: Neodymium
 Data1: Neon
 Data1: Neptunium
 Data1: Nickel
 Data1: Niobium
 Data1: Nitrogen
 Data1: Nobelium
 Data1: Osmium
 Data1: Oxygen
 Data1: Palladium
 Data1: Phosphorus
 Data1: Platinum
 Data1: Plutonium
 Data1: Polonium
 Data1: Potassium
 Data1: Praseodymium
 Data1: Promethium
 Data1: Protactinium
 Data1: Radium
 Data1: Radon
 Data1: Rhenium
 Data1: Rhodium
 Data1: Roentgenium
 Data1: Rubidium
 Data1: Ruthenium
 Data1: Rutherfordium
 Data1: Samarium
 Data1: Scandium
 Data1: Seaborgium
 Data1: Selenium
 Data1: Silicon
 Data1: Silver
 Data1: Sodium
 Data1: Strontium
 Data1: Sulfur
 Data1: Tantalum
 Data1: Technetium
 Data1: Tellurium
 Data1: Terbium
 Data1: Thallium
 Data1: Thorium
 Data1: Thulium
 Data1: Tin
 Data1: Titanium
 Data1: Tungsten
 Data1: Ununbium
 Data1: Ununhexium
 Data1: Ununoctium
 Data1: Ununpentium
 Data1: Ununquadium
 Data1: Ununseptium
 Data1: Ununtrium
 Data1: Uranium
 Data1: Vanadium
 Data1: Xenon
 Data1: Ytterbium
 Data1: Yttrium
 Data1: Zinc
 Data1: Zirconium
 Glossary: Alkali Metal (alkaline-earth metals)
 On This Day... 16 August
 On This Day... 24 July
 Production: Erbium
 Production: Iron
 Production: Scandium
 Reactions: Potassium
 Reactions: Sodium
 
colourant (3)
 Compounds: Manganese
 Compounds: Ytterbium
 Data1: Carbon
 
colourants (1)
 Data1: Praseodymium
 
colouration (1)
 Data1: Praseodymium
 
coloured (13)
 Biography: Louis Nicolas Vauquelin
 Biography: Robert Wilhelm Bunsen
 Compounds: Aluminium
 Compounds: Cobalt
 Compounds: Yttrium
 Data1: Copper
 Data1: Erbium
 Data1: Iridium
 Data1: Manganese
 Document: The Alkaline Earth Metals (Group 2)
 Document: The Transition Metals (Groups 3 to 12)
 Document: Understanding Electron Configuration Tables
 Glossary: Alkali Metal (alkaline-earth metals)
 
colourful (1)
 Data1: Chromium
 
colouring (9)
 Allotrope: Phosphorus
 Biography: Louis Jacques Thenard
 Compounds: Erbium
 Data1: Holmium
 Data1: Lead
 Data1: Nickel
 Data1: Praseodymium
 Data1: Uranium
 On This Day... 4 May
 
colourless (30)
 Allotrope: Phosphorus
 Compounds: Boron
 Compounds: Carbon
 Compounds: Gadolinium
 Compounds: Nitrogen
 Data1: Argon
 Data1: Arsenic
 Data1: Carbon
 Data1: Germanium
 Data1: Helium
 Data1: Hydrogen
 Data1: Krypton
 Data1: Neon
 Data1: Nitrogen
 Data1: Oxygen
 Data1: Phosphorus
 Data1: Radon
 Data1: Terbium
 Data1: Titanium
 Data1: Ununoctium
 Data1: Xenon
 Document: The Alkali (Group 1) Metals
 Reactions: Caesium
 Reactions: Cerium
 Reactions: Lithium
 Reactions: Lutetium
 Reactions: Potassium
 Reactions: Rubidium
 Reactions: Sodium
 Reactions: Ytterbium
 
colours (17)
 Biography: William Hyde Wollaston
 Compounds: Aluminium
 Compounds: Cadmium
 Compounds: Tin
 Compounds: Zirconium
 Country: Outer space
 Data1: Barium
 Data1: Europium
 Data1: Praseodymium
 Data1: Selenium
 Data1: Sulfur
 Data1: Vanadium
 Document: The Noble Gases (Group 18)
 Document: Understanding Electron Configuration Tables
 Glossary: Noble Gasses (inert gasses)
 On This Day... 16 August
 Production: Sulfur
 
coltan (2)
 Production: Niobium
 Production: Tantalum
 
columbia (7)
 Biography: Emilio Gino Segre
 Biography: Enrico Fermi
 Country: Canada
 Country: United States of America
 Data1: Technetium
 Production: Aluminium
 Production: Bromine
 
columbian (2)
 Country: Colombia
 Data1: Platinum
 
columbite (6)
 Biography: Charles Hatchett
 Data1: Niobium
 Data1: Rhenium
 Data1: Technetium
 Production: Niobium
 Production: Tantalum
 
columbium (3)
 Biography: Charles Hatchett
 Data1: Niobium
 On This Day... 26 November
 
column (8)
 Biography: Robert Wilhelm Bunsen
 Glossary: Alkali Metal
 Glossary: Alkali Metal (alkaline-earth metals)
 Glossary: Group
 Glossary: Young's Modulus
 Isotope: Calcium
 Production: Technetium
 Production: Zinc
 
columns (2)
 Document: Understanding Electron Configuration Tables
 Glossary: Group
 
coma (1)
 Compounds: Sodium
 
combination (10)
 Biography: Antoine-Laurent de Lavoisier
 Compounds: Calcium
 Compounds: Carbon
 Compounds: Sodium
 Data1: Neon
 Document: Chemical makeup of the human body
 Glossary: Alloy
 Glossary: Radioactivity
 Production: Carbon
 Reactions: Gold
 
combinations (2)
 Biography: Dmitriy Ivanovich Mendeleyev
 Data1: Chlorine
 
combine (8)
 Biography: Sir Humphry Davy
 Compounds: Sulfur
 Data1: Gold
 Data1: Hydrogen
 Data1: Yttrium
 Document: The Actinoid Series
 Production: Helium
 Reactions: Uranium
 
combined (49)
 Biography: John Dalton
 Biography: Julius Caesar Scaliger
 Biography: Robert Wilhelm Bunsen
 Compounds: Hafnium
 Compounds: Nitrogen
 Compounds: Sodium
 Country: Australia
 Country: Austria
 Country: Brazil
 Country: Canada
 Country: China
 Country: Colombia
 Country: Cuba
 Country: Dominican Republic
 Country: Finland
 Country: France
 Country: Greece
 Country: Indonesia
 Country: Japan
 Country: New Caledonia
 Country: Norway
 Country: Russia
 Country: South Africa
 Country: Ukraine
 Country: United Kingdom
 Country: Venezuela
 Country: Zimbabwe
 Data1: Fermium
 Data1: Holmium
 Data1: Hydrogen
 Data1: Osmium
 Data1: Platinum
 Data1: Technetium
 Data1: Thallium
 Data1: Titanium
 Data1: Tungsten
 Data1: Yttrium
 Document: The Halogens (Group 17)
 Document: The Lanthanoid Series
 Equation: Avogadro's law
 Equation: Combined Gas Law
 Glossary: Compound
 Production: Boron
 Production: Fermium
 Production: Hafnium
 Production: Holmium
 Production: Silver
 Production: Tellurium
 Production: Uranium
 
combines (4)
 Data1: Chlorine
 Data1: Fluorine
 Data1: Titanium
 Production: Iron
 
combining (5)
 Compounds: Palladium
 Compounds: Sodium
 Data1: Gadolinium
 Data1: Neon
 On This Day... 29 January
 
combusrible (1)
 Data2: Molybdenum
 
combust (1)
 Data1: Sodium
 
combustible (32)
 Compounds: Tin
 Data1: Scandium
 Data2: Aluminium
 Data2: Antimony
 Data2: Beryllium
 Data2: Bromine
 Data2: Cadmium
 Data2: Carbon
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Germanium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Lead
 Data2: Manganese
 Data2: Nickel
 Data2: Palladium
 Data2: Platinum
 Data2: Rhodium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Tantalum
 Data2: Tellurium
 Data2: Tin
 Data2: Tungsten
 Data2: Uranium
 Data2: Vanadium
 Data2: Yttrium
 Data2: Zirconium
 
combustibles (1)
 Data2: Nickel
 
combustion (16)
 Biography: Antoine-Laurent de Lavoisier
 Biography: Karl Wilhelm Scheele
 Biography: Robert Wilhelm Bunsen
 Compounds: Nitrogen
 Compounds: Silicon
 Data1: Hydrogen
 Data1: Neodymium
 Data1: Niobium
 Data1: Oxygen
 On This Day... 11 August
 On This Day... 12 July
 On This Day... 16 September
 On This Day... 26 April
 Production: Germanium
 Production: Hydrogen
 Reactions: Carbon
 
combusts (1)
 Data1: Strontium
 
come (9)
 Country: China
 Data1: Europium
 Data1: Protactinium
 Data1: Tin
 Data1: Yttrium
 Production: Cerium
 Production: Plutonium
 Production: Sulfur
 Production: Technetium
 
comes (26)
 Biography: Pierre Curie
 Compounds: Copper
 Compounds: Dysprosium
 Compounds: Terbium
 Country: China
 Country: Peru
 Data1: Antimony
 Data1: Beryllium
 Data1: Gadolinium
 Data1: Gallium
 Data1: Helium
 Data1: Mercury
 Data1: Platinum
 Data1: Rhodium
 Data1: Sodium
 Data1: Thallium
 Data1: Tin
 Data1: Vanadium
 Document: The Halogens (Group 17)
 Document: The Transition Metals (Groups 3 to 12)
 Glossary: Acid
 Glossary: Allotrope
 Glossary: Alpha Decay
 Glossary: Refractory
 Production: Nickel
 Production: Terbium
 
comets (5)
 Compounds: Carbon
 Country: Outer space
 Data1: Carbon
 Data1: Xenon
 Production: Carbon
 
comic (1)
 Biography: Julius Caesar Scaliger
 
comicis (1)
 Biography: Julius Caesar Scaliger
 
cominco (1)
 Country: Canada
 
coming (3)
 Country: Russia
 Data1: Mercury
 Data1: Neodymium
 
command (2)
 Biography: Jöns Jacob Berzelius
 Biography: Julius Caesar Scaliger
 
commands (2)
 Compounds: Nitrogen
 Country: Russia
 
commended (1)
 Biography: Julius Caesar Scaliger
 
comment (1)
 Allotrope: Phosphorus
 
commentaries (1)
 Biography: Julius Caesar Scaliger
 
commercial (96)
 Biography: Albert Ghiorso
 Compounds: Actinium
 Compounds: Aluminium
 Compounds: Antimony
 Compounds: Argon
 Compounds: Berkelium
 Compounds: Bohrium
 Compounds: Californium
 Compounds: Curium
 Compounds: Darmstadtium
 Compounds: Dubnium
 Compounds: Einsteinium
 Compounds: Fermium
 Compounds: Francium
 Compounds: Hassium
 Compounds: Helium
 Compounds: Krypton
 Compounds: Lawrencium
 Compounds: Meitnerium
 Compounds: Mendelevium
 Compounds: Neon
 Compounds: Neptunium
 Compounds: Nobelium
 Compounds: Protactinium
 Compounds: Radon
 Compounds: Rhodium
 Compounds: Roentgenium
 Compounds: Rubidium
 Compounds: Rutherfordium
 Compounds: Seaborgium
 Compounds: Ununbium
 Compounds: Ununhexium
 Compounds: Ununoctium
 Compounds: Ununpentium
 Compounds: Ununquadium
 Compounds: Ununseptium
 Compounds: Ununtrium
 Compounds: Xenon
 Country: Australia
 Country: Brazil
 Country: China
 Country: Gambia
 Country: India
 Country: Indonesia
 Country: Madagascar
 Country: Malaysia
 Country: Mozambique
 Country: South Africa
 Country: Sri Lanka
 Country: Uganda
 Country: Ukraine
 Country: United States of America
 Country: Vietnam
 Country: Zambia
 Data1: Antimony
 Data1: Berkelium
 Data1: Boron
 Data1: Einsteinium
 Data1: Fermium
 Data1: Helium
 Data1: Lithium
 Data1: Lutetium
 Data1: Magnesium
 Data1: Manganese
 Data1: Neodymium
 Data1: Niobium
 Data1: Osmium
 Data1: Praseodymium
 Data1: Samarium
 Data1: Tantalum
 Data1: Terbium
 Data1: Titanium
 Data1: Zirconium
 On This Day... 21 January
 On This Day... 31 December
 Production: Antimony
 Production: Beryllium
 Production: Erbium
 Production: Gold
 Production: Helium
 Production: Hydrogen
 Production: Lanthanum
 Production: Magnesium
 Production: Molybdenum
 Production: Osmium
 Production: Phosphorus
 Production: Rhenium
 Production: Rubidium
 Production: Samarium
 Production: Silver
 Production: Sulfur
 Production: Tellurium
 Production: Terbium
 Production: Thallium
 Production: Uranium
 Production: Zirconium
 
commercialize (1)
 Data1: Neodymium
 
commercially (70)
 Compounds: Lead
 Compounds: Niobium
 Compounds: Polonium
 Compounds: Tantalum
 Compounds: Thulium
 Compounds: Titanium
 Compounds: Vanadium
 Compounds: Zirconium
 Country: Australia
 Country: Botswana
 Country: Brazil
 Country: Canada
 Country: China
 Country: Democratic Republic of Congo
 Country: Egypt
 Country: India
 Country: Malaysia
 Country: Norway
 Country: Republic of Korea
 Country: Russia
 Country: Sierra Leone
 Country: South Africa
 Country: Sri Lanka
 Country: Ukraine
 Country: United States of America
 Country: Vietnam
 Data1: Germanium
 Data1: Helium
 Data1: Lanthanum
 Data1: Lutetium
 Data1: Manganese
 Data1: Neodymium
 Data1: Neon
 Data1: Nitrogen
 Data1: Phosphorus
 Data1: Roentgenium
 Data1: Thulium
 Data1: Titanium
 Data1: Ununbium
 Data1: Ununhexium
 Data1: Ununoctium
 Data1: Ununpentium
 Data1: Ununquadium
 Data1: Ununtrium
 On This Day... 26 February
 Production: Barium
 Production: Gallium
 Production: Germanium
 Production: Gold
 Production: Holmium
 Production: Iridium
 Production: Iron
 Production: Lutetium
 Production: Nickel
 Production: Palladium
 Production: Platinum
 Production: Rubidium
 Production: Ruthenium
 Production: Sodium
 Production: Strontium
 Production: Tantalum
 Production: Technetium
 Production: Thallium
 Production: Thulium
 Production: Tungsten
 Production: Uranium
 Production: Xenon
 Production: Ytterbium
 Production: Yttrium
 Production: Zirconium
 
commerically (1)
 Production: Tin
 
commission (5)
 Biography: Enrico Fermi
 Biography: Glenn Theodore Seaborg
 Biography: Lise Meitner
 Data1: Nobelium
 Data1: Radon
 
commit (1)
 Data1: Phosphorus
 
committed (1)
 Biography: Julius Caesar Scaliger
 
committee (4)
 Biography: Enrico Fermi
 Data1: Bohrium
 Data1: Hassium
 Data1: Seaborgium
 
committees (1)
 On This Day... 17 July
 
commodities (1)
 Data1: Platinum
 
commodity (2)
 Compounds: Iron
 Data1: Samarium
 
commonly (46)
 Allotrope: Sulfur
 Compounds: Copper
 Compounds: Germanium
 Compounds: Hafnium
 Compounds: Iodine
 Compounds: Iron
 Compounds: Lead
 Compounds: Magnesium
 Compounds: Nickel
 Compounds: Nitrogen
 Compounds: Phosphorus
 Compounds: Samarium
 Compounds: Silicon
 Compounds: Sodium
 Data1: Aluminium
 Data1: Argon
 Data1: Cadmium
 Data1: Mendelevium
 Data1: Rhodium
 Data1: Sodium
 Data1: Tin
 Data1: Vanadium
 Document: The Lanthanoid Series
 Document: The Noble Gases (Group 18)
 Document: The Transition Metals (Groups 3 to 12)
 Equation: Boyle's Law
 Equation: Henry's Law
 Glossary: Air
 Glossary: Desiccant
 Glossary: Lanthanides (old name)
 Glossary: Lanthanoids
 Glossary: Melting Point (freezing point)
 Glossary: Metalloids
 Glossary: Noble Gasses (inert gasses)
 Glossary: Semiconductor
 Glossary: Speed of Sound
 Glossary: Viscosity
 Production: Actinium
 Production: Argon
 Production: Calcium
 Production: Lead
 Production: Selenium
 Production: Strontium
 Production: Thorium
 Production: Tin
 Reactions: Uranium
 
communication (2)
 Biography: Albert Ghiorso
 Data1: Germanium
 
community (2)
 Biography: Robert Wilhelm Bunsen
 Data1: Sulfur
 
compact (3)
 Data1: Dysprosium
 Data1: Gadolinium
 Data1: Terbium
 
companies (2)
 Data1: Osmium
 Data1: Tungsten
 
companion (1)
 Biography: Morris Travers
 
company (11)
 Allotrope: Carbon
 Biography: Albert Ghiorso
 Biography: Antoine-Laurent de Lavoisier
 Biography: Robert Wilhelm Bunsen
 Data1: Lithium
 Data1: Palladium
 Data1: Samarium
 On This Day... 21 January
 Production: Magnesium
 Production: Nickel
 Production: Zinc
 
comparable (2)
 Compounds: Boron
 Compounds: Rhenium
 
comparative (1)
 Data1: Technetium
 
compare (2)
 Equation: Acid dissociation constant
 Equation: Base ionisation constant
 
compared (17)
 Allotrope: Carbon
 Compounds: Silicon
 Country: China
 Country: Oceans / Seas
 Country: Russia
 Data1: Carbon
 Data1: Molybdenum
 Document: The Alkali (Group 1) Metals
 Document: The Noble Gases (Group 18)
 Glossary: Base
 Glossary: Noble Gasses (inert gasses)
 Glossary: Rare Earth Elements
 Production: Dysprosium
 Production: Lanthanum
 Production: Plutonium
 Production: Potassium
 Production: Tin
 
comparing (3)
 Equation: Acid dissociation constant
 Equation: Base ionisation constant
 Equation: Combined Gas Law
 
comparison (5)
 Compounds: Neodymium
 Glossary: Moh's Scale of Hardness
 Isotope: Helium
 Production: Technetium
 Production: Tellurium
 
comparisons (1)
 Production: Radon
 
compass (2)
 Biography: William Hyde Wollaston
 Data1: Osmium
 
compensation (1)
 Glossary: Magnetic Ordering
 
competes (1)
 Compounds: Sodium
 
competing (1)
 Glossary: Positron Emission (Beta+ Decay)
 
competition (1)
 Data1: Europium
 
complete (14)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Hans Christian Oersted
 Biography: Irene Joliot-Curie
 Biography: Julius Caesar Scaliger
 Compounds: Molybdenum
 Data1: Plutonium
 Data1: Rhodium
 Glossary: Alloy
 Glossary: Group
 Glossary: Magic Number
 Glossary: Molecule
 Glossary: Noble Gasses (inert gasses)
 Glossary: Temperature
 Isotope: Helium
 
completed (3)
 Biography: Clemens Alexander Winkler
 Biography: Gottfried Münzenberg
 Biography: Irene Joliot-Curie
 
completely (15)
 Biography: Hans Christian Oersted
 Biography: Julius Caesar Scaliger
 Biography: Sir Humphry Davy
 Data1: Fermium
 Data1: Rhodium
 Data1: Tantalum
 Glossary: Alpha Decay
 Glossary: Base
 Glossary: Enthalpy Change of Fusion (Heat of Fusion)
 Glossary: Enthalpy Change of Vapourisation
 Glossary: Island of Stability
 Glossary: Magnetic Ordering
 Glossary: Noble Gasses (inert gasses)
 Production: Magnesium
 Production: Mercury
 
completes (1)
 On This Day... 5 September
 
completion (3)
 Reactions: Chlorine
 Reactions: Fluorine
 Reactions: Nickel
 
complex (19)
 Biography: Charles Hatchett
 Compounds: Fluorine
 Compounds: Oxygen
 Compounds: Sodium
 Compounds: Zinc
 Country: South Africa
 Data1: Copper
 Data1: Krypton
 Data1: Manganese
 Data1: Rhodium
 Data1: Yttrium
 Production: Palladium
 Production: Platinum
 Production: Rhodium
 Production: Ruthenium
 Production: Technetium
 Production: Tin
 Reactions: Titanium
 Reactions: Zinc
 
complexation (1)
 Compounds: Plutonium
 
complexes (10)
 Compounds: Europium
 Compounds: Plutonium
 Data1: Gadolinium
 Data1: Ruthenium
 Document: The Transition Metals (Groups 3 to 12)
 On This Day... 17 October
 Production: Thallium
 Reactions: Beryllium
 Reactions: Titanium
 Reactions: Zirconium
 
complexing (1)
 On This Day... 17 October
 
complexion (1)
 Data1: Arsenic
 
compliance (1)
 Data1: Lead
 
complicate (2)
 Data1: Uranium
 Production: Uranium
 
complicated (4)
 Data1: Rhenium
 Document: Understanding Electron Configuration Tables
 Glossary: Temperature
 Production: Tantalum
 
complications (1)
 Compounds: Copper
 
component (36)
 Allotrope: Carbon
 Compounds: Barium
 Compounds: Carbon
 Compounds: Cerium
 Compounds: Chlorine
 Compounds: Lead
 Compounds: Silicon
 Compounds: Sodium
 Compounds: Sulfur
 Country: Oceans / Seas
 Country: Outer space
 Data1: Bismuth
 Data1: Calcium
 Data1: Cerium
 Data1: Chromium
 Data1: Cobalt
 Data1: Europium
 Data1: Gallium
 Data1: Hydrogen
 Data1: Iodine
 Data1: Lanthanum
 Data1: Neptunium
 Data1: Nitrogen
 Data1: Oxygen
 Data1: Phosphorus
 Data1: Terbium
 Data1: Tin
 Data1: Ytterbium
 Data1: Yttrium
 Production: Carbon
 Production: Chlorine
 Production: Gallium
 Production: Hydrogen
 Production: Nitrogen
 Production: Silicon
 Production: Tellurium
 
components (19)
 Biography: Robert Wilhelm Bunsen
 Compounds: Gadolinium
 Compounds: Tantalum
 Compounds: Titanium
 Data1: Aluminium
 Data1: Chromium
 Data1: Gadolinium
 Data1: Gallium
 Data1: Krypton
 Data1: Niobium
 Data1: Rhenium
 Data1: Samarium
 Data1: Tantalum
 Data1: Xenon
 Data1: Ytterbium
 Glossary: Alloy
 Glossary: Aqua regia
 Isotope: Polonium
 Production: Technetium
 
composed (11)
 Allotrope: Carbon
 Biography: Jöns Jacob Berzelius
 Biography: Karl Wilhelm Scheele
 Country: Outer space
 Data1: Lawrencium
 Document: Chemical makeup of the human body
 Glossary: Compound
 Isotope: Manganese
 Production: Lawrencium
 Production: Titanium
 Production: Uranium
 
composing (1)
 Data1: Oxygen
 
composite (3)
 Compounds: Hafnium
 Compounds: Silicon
 Compounds: Tantalum
 
composites (1)
 Data1: Tungsten
 
composition (15)
 Biography: Arthur Jeffrey Dempster
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Henry Cavendish
 Biography: Joseph Louis Gay-Lussac
 Biography: Louis Jacques Thenard
 Biography: Robert Wilhelm Bunsen
 Compounds: Zinc
 Data1: Cerium
 Data1: Neodymium
 Data1: Phosphorus
 Glossary: Emission Spectrum
 On This Day... 15 January
 On This Day... 25 June
 Production: Holmium
 Production: Yttrium
 
compositions (3)
 Compounds: Magnesium
 Compounds: Strontium
 Reactions: Neptunium
 
compounding (1)
 Data1: Selenium
 
compressed (1)
 Isotope: Plutonium
 
compressible (1)
 Allotrope: Carbon
 
compression (5)
 Compounds: Magnesium
 Data1: Magnesium
 Glossary: Bulk Modulus
 Glossary: Young's Modulus
 On This Day... 15 April
 
compressive (1)
 Glossary: Alloy
 
comprise (4)
 Data1: Yttrium
 Glossary: Element
 Glossary: Radiation
 Production: Mercury
 
comprised (1)
 Compounds: Calcium
 
comprises (2)
 Data1: Silicon
 Production: Yttrium
 
comprising (6)
 Country: China
 Data1: Iron
 Data1: Sodium
 Glossary: Temperature
 Production: Dysprosium
 Production: Praseodymium
 
compromise (2)
 Data1: Niobium
 Data1: Seaborgium
 
computational (1)
 On This Day... 31 October
 
computed (1)
 Isotope: Sodium
 
computer (9)
 Compounds: Neodymium
 Data1: Beryllium
 Data1: Copper
 Data1: Europium
 Data1: Gadolinium
 Data1: Gallium
 Data1: Neodymium
 Data1: Silicon
 Production: Indium
 
computers (2)
 Data1: Iron
 Glossary: Metalloids
 
conccentrate (1)
 Production: Terbium
 
conceivable (1)
 Biography: Ida Eva Tacke Noddack
 
conceived (1)
 On This Day... 7 September
 
concentraion (2)
 Equation: Acid dissociation constant
 Equation: Base ionisation constant
 
concentrate (8)
 Country: China
 Data1: Iodine
 Data1: Samarium
 Production: Dysprosium
 Production: Erbium
 Production: Iodine
 Production: Lead
 Production: Terbium
 
concentrated (37)
 Allotrope: Arsenic
 Allotrope: Carbon
 Biography: Bernard Courtois
 Biography: Robert Wilhelm Bunsen
 Compounds: Potassium
 Country: United States of America
 Data1: Bromine
 Data1: Fluorine
 Data1: Osmium
 Data1: Oxygen
 Data1: Rubidium
 Glossary: Gamma Ray
 Production: Chromium
 Production: Fluorine
 Production: Helium
 Production: Iodine
 Production: Magnesium
 Production: Mercury
 Production: Nickel
 Production: Scandium
 Production: Uranium
 Production: Zinc
 Reactions: Antimony
 Reactions: Bismuth
 Reactions: Boron
 Reactions: Calcium
 Reactions: Carbon
 Reactions: Copper
 Reactions: Gold
 Reactions: Iodine
 Reactions: Iron
 Reactions: Mercury
 Reactions: Polonium
 Reactions: Rhenium
 Reactions: Silver
 Reactions: Strontium
 Reactions: Technetium
 
concentrates (27)
 Compounds: Iodine
 Country: Albania
 Country: Australia
 Country: Brazil
 Country: Burma (Myanmar)
 Country: China
 Country: Cuba
 Country: Finland
 Country: India
 Country: Iran
 Country: Kazakhstan
 Country: Madagascar
 Country: Oman
 Country: Pakistan
 Country: Philippines
 Country: Russia
 Country: South Africa
 Country: Sudan
 Country: Turkey
 Country: Vietnam
 Country: Zimbabwe
 Data1: Europium
 Data1: Lanthanum
 Data1: Niobium
 Production: Chromium
 Production: Erbium
 Production: Niobium
 
concentration (28)
 Biography: Walter Noddack
 Compounds: Chlorine
 Compounds: Sodium
 Country: Outer space
 Data1: Chromium
 Data1: Manganese
 Data1: Thallium
 Equation: Acid dissociation constant
 Equation: Base ionisation constant
 Equation: Henry's Law
 Equation: pH defined
 Glossary: Base
 Glossary: pH
 Isotope: Sodium
 Production: Gallium
 Production: Gold
 Production: Helium
 Production: Iridium
 Production: Krypton
 Production: Nickel
 Production: Plutonium
 Production: Promethium
 Production: Radon
 Production: Technetium
 Production: Thallium
 Production: Uranium
 Reactions: Lithium
 Reactions: Rubidium
 
concentrations (28)
 Allotrope: Oxygen
 Compounds: Carbon
 Compounds: Nitrogen
 Compounds: Phosphorus
 Compounds: Uranium
 Country: Oceans / Seas
 Country: Outer space
 Data1: Bromine
 Data1: Cadmium
 Data1: Erbium
 Data1: Helium
 Data1: Manganese
 Data1: Radon
 Data1: Rubidium
 Data1: Sulfur
 Glossary: pH
 Glossary: Photon
 Isotope: Helium
 Isotope: Krypton
 On This Day... 9 January
 Production: Cadmium
 Production: Chlorine
 Production: Gold
 Production: Helium
 Production: Plutonium
 Production: Radon
 Production: Titanium
 Production: Uranium
 
concept (7)
 Biography: John William Strutt Rayleigh
 Biography: Robert Wilhelm Bunsen
 Biography: Walter Noddack
 Glossary: pH
 Glossary: Temperature
 On This Day... 16 April
 On This Day... 28 May
 
concern (4)
 Biography: Irene Joliot-Curie
 Compounds: Sodium
 Data1: Radon
 Production: Technetium
 
concerned (5)
 Biography: Gottfried Münzenberg
 Biography: Irene Joliot-Curie
 Biography: John Dalton
 Biography: John William Strutt Rayleigh
 Data1: Bohrium
 
concerning (9)
 Biography: Glenn Theodore Seaborg
 Biography: Joseph Priestley
 On This Day... 20 February
 On This Day... 21 March
 On This Day... 28 June
 On This Day... 29 November
 On This Day... 3 December
 On This Day... 4 September
 On This Day... 8 June
 
concerns (3)
 Compounds: Silicon
 Data1: Thallium
 Production: Indium
 
concientiousness (1)
 Biography: Jöns Jacob Berzelius
 
conclude (1)
 Biography: Dmitriy Ivanovich Mendeleyev
 
concluded (9)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Ferdinand Frederic Henri Moissan
 Biography: Joseph Louis Gay-Lussac
 Biography: Per Teodor Cleve
 Biography: Pierre Jules César Janssen
 Data1: Helium
 Data1: Praseodymium
 Data1: Scandium
 Data1: Tungsten
 
conclusions (2)
 Biography: Henry Cavendish
 Biography: Jöns Jacob Berzelius
 
conclusive (1)
 Compounds: Sodium
 
conclusively (2)
 Compounds: Potassium
 Data1: Dubnium
 
concrete (2)
 Compounds: Iron
 Data1: Calcium
 
condemned (1)
 Data1: Tantalum
 
condensation (3)
 Glossary: Enthalpy Change of Vapourisation
 On This Day... 14 January
 On This Day... 31 January
 
condensed (3)
 Biography: Bernard Courtois
 Data1: Oxygen
 Glossary: Enthalpy Change of Vapourisation
 
condensers (1)
 Data1: Tantalum
 
condensing (5)
 Country: Russia
 Data1: Neon
 Production: Mercury
 Production: Neon
 Production: Rhenium
 
condillac (1)
 Biography: Antoine-Laurent de Lavoisier
 
condition (4)
 Biography: Irene Joliot-Curie
 Data1: Nitrogen
 Data1: Plutonium
 Equation: Boyle's Law
 
conditioner (3)
 Compounds: Iron
 Compounds: Silicon
 Compounds: Sodium
 
conditioning (4)
 Compounds: Bromine
 Compounds: Lithium
 Data1: Copper
 Data1: Fluorine
 
conditions (68)
 Allotrope: Carbon
 Biography: Ferdinand Frederic Henri Moissan
 Biography: Joseph Louis Gay-Lussac
 Biography: Pierre Jules César Janssen
 Compounds: Helium
 Compounds: Hydrogen
 Compounds: Lithium
 Compounds: Nitrogen
 Compounds: Oxygen
 Compounds: Sodium
 Data1: Fluorine
 Data1: Nitrogen
 Data1: Plutonium
 Document: The Noble Gases (Group 18)
 Equation: Combined Gas Law
 Glossary: Gamma Ray
 Glossary: Group
 Glossary: Heat Capacity
 Glossary: Noble Gasses (inert gasses)
 Glossary: Refractory
 Glossary: Speed of Sound
 Glossary: Standard Temperature and Pressure (STP)
 Production: Neon
 Reactions: Antimony
 Reactions: Argon
 Reactions: Arsenic
 Reactions: Bismuth
 Reactions: Boron
 Reactions: Bromine
 Reactions: Carbon
 Reactions: Chlorine
 Reactions: Chromium
 Reactions: Copper
 Reactions: Fluorine
 Reactions: Gold
 Reactions: Hafnium
 Reactions: Helium
 Reactions: Iodine
 Reactions: Iridium
 Reactions: Lead
 Reactions: Manganese
 Reactions: Mercury
 Reactions: Neon
 Reactions: Nickel
 Reactions: Niobium
 Reactions: Nitrogen
 Reactions: Osmium
 Reactions: Oxygen
 Reactions: Palladium
 Reactions: Platinum
 Reactions: Polonium
 Reactions: Rhenium
 Reactions: Rhodium
 Reactions: Ruthenium
 Reactions: Selenium
 Reactions: Silicon
 Reactions: Silver
 Reactions: Sulfur
 Reactions: Tantalum
 Reactions: Technetium
 Reactions: Tellurium
 Reactions: Tin
 Reactions: Titanium
 Reactions: Tungsten
 Reactions: Uranium
 Reactions: Vanadium
 Reactions: Zinc
 Reactions: Zirconium
 
conduct (3)
 Allotrope: Arsenic
 Allotrope: Carbon
 Glossary: Thermal Conductivity
 
conducted (10)
 Allotrope: Carbon
 Biography: Antoine-Laurent de Lavoisier
 Biography: Joseph Louis Gay-Lussac
 Biography: Pierre Curie
 Biography: Robert Wilhelm Bunsen
 Data1: Hydrogen
 Data1: Plutonium
 Data1: Technetium
 Data1: Zirconium
 Glossary: Proton
 
conductimetric (1)
 On This Day... 5 December
 
conducting (2)
 Compounds: Caesium
 Data1: Tin
 
conduction (5)
 Glossary: Conduction
 Glossary: Convection
 Glossary: Radiation
 Glossary: Transition Metals
 On This Day... 27 March
 
conductive (8)
 Compounds: Indium
 Compounds: Lead
 Compounds: Zirconium
 Data1: Aluminium
 Data1: Molybdenum
 Glossary: Plasma
 Glossary: Thermal Conductivity
 On This Day... 14 April
 
conductivities (3)
 Compounds: Hafnium
 Glossary: Refractory
 Glossary: Thermal Conductivity
 
conductivity (136)
 Biography: Pierre Curie
 Compounds: Beryllium
 Compounds: Silicon
 Compounds: Zirconium
 Country: Outer space
 Data1: Aluminium
 Data1: Antimony
 Data1: Helium
 Data1: Tellurium
 Data1: Thallium
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Argon
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Bohrium
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Darmstadtium
 Data2: Dubnium
 Data2: Dysprosium
 Data2: Einsteinium
 Data2: Erbium
 Data2: Europium
 Data2: Fermium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Hassium
 Data2: Helium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iridium
 Data2: Iron
 Data2: Krypton
 Data2: Lanthanum
 Data2: Lawrencium
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Meitnerium
 Data2: Mendelevium
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neon
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Radon
 Data2: Rhenium
 Data2: Rhodium
 Data2: Roentgenium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Rutherfordium
 Data2: Samarium
 Data2: Scandium
 Data2: Seaborgium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Strontium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Ununbium
 Data2: Ununhexium
 Data2: Ununoctium
 Data2: Ununpentium
 Data2: Ununquadium
 Data2: Ununseptium
 Data2: Ununtrium
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 Glossary: Acid
 Glossary: Alloy
 Glossary: Electrical Conductivity
 Glossary: Electrical Resistivity
 Glossary: Metalloids
 Glossary: Non-Metals
 Glossary: Semiconductor
 Glossary: Thermal Conductivity
 
conductor (8)
 Allotrope: Carbon
 Biography: Michael Faraday
 Compounds: Zirconium
 Data1: Beryllium
 Data1: Boron
 Data1: Copper
 Data1: Germanium
 Glossary: Semiconductor
 
conductors (5)
 Allotrope: Carbon
 Document: The Alkali (Group 1) Metals
 Glossary: Metals
 Glossary: Non-Metals
 On This Day... 24 December
 
conducts (6)
 Allotrope: Arsenic
 Allotrope: Selenium
 Data1: Boron
 Data1: Gallium
 Data1: Selenium
 Glossary: Superconducting temperature
 
cone (1)
 Data1: Scandium
 
cones (1)
 Data1: Scandium
 
confectioned (1)
 Compounds: Boron
 
conference (1)
 On This Day... 26 January
 
conferred (1)
 Biography: Julius Caesar Scaliger
 
confidence (2)
 Biography: Bernard Courtois
 Biography: Robert Wilhelm Bunsen
 
configuration (122)
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Argon
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Bohrium
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Darmstadtium
 Data2: Dubnium
 Data2: Dysprosium
 Data2: Einsteinium
 Data2: Erbium
 Data2: Europium
 Data2: Fermium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Hassium
 Data2: Helium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iridium
 Data2: Iron
 Data2: Krypton
 Data2: Lanthanum
 Data2: Lawrencium
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Meitnerium
 Data2: Mendelevium
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neon
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Radon
 Data2: Rhenium
 Data2: Rhodium
 Data2: Roentgenium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Rutherfordium
 Data2: Samarium
 Data2: Scandium
 Data2: Seaborgium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Strontium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Ununbium
 Data2: Ununhexium
 Data2: Ununoctium
 Data2: Ununpentium
 Data2: Ununquadium
 Data2: Ununseptium
 Data2: Ununtrium
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 Document: Understanding Electron Configuration Tables
 Glossary: Allotrope
 Glossary: Group
 Glossary: Island of Stability
 
configurations (1)
 On This Day... 4 February
 
confirm (6)
 Biography: Robert Wilhelm Bunsen
 Data1: Beryllium
 Data1: Bohrium
 Data1: Dubnium
 Data1: Lawrencium
 Data1: Promethium
 
confirmation (2)
 Data1: Germanium
 Data1: Ununoctium
 
confirmed (18)
 Biography: Ferdinand Reich
 Biography: Hans Christian Oersted
 Biography: Ida Eva Tacke Noddack
 Country: Outer space
 Data1: Astatine
 Data1: Bohrium
 Data1: Nobelium
 Data1: Ruthenium
 Data1: Seaborgium
 Data1: Technetium
 Data1: Titanium
 Data1: Ununhexium
 Data1: Ununpentium
 Data1: Ununtrium
 Data1: Vanadium
 Glossary: Double Electron Capture
 Isotope: Helium
 On This Day... 13 April
 
confirming (2)
 Biography: Ida Eva Tacke Noddack
 Biography: John William Strutt Rayleigh
 
conflict (1)
 Production: Tantalum
 
conflicting (1)
 Biography: Joseph Louis Gay-Lussac
 
conflicts (1)
 Country: Democratic Republic of Congo
 
conform (1)
 Glossary: Liquid
 
conformation (1)
 On This Day... 4 September
 
conforms (1)
 Data1: Bohrium
 
confronted (1)
 Biography: Robert Wilhelm Bunsen
 
confused (6)
 Data1: Bismuth
 Data1: Bohrium
 Data1: Erbium
 Data1: Molybdenum
 Data1: Phosphorus
 Glossary: Mass Number (A)
 
confusing (1)
 Biography: Lise Meitner
 
confusion (3)
 Data1: Niobium
 Data1: Terbium
 Glossary: Group
 
congenital (1)
 Glossary: Teratogenic
 
congo (10)
 Country: Democratic Republic of Congo
 Data1: Niobium
 Data1: Protactinium
 Data1: Tantalum
 Production: Carbon
 Production: Cobalt
 Production: Niobium
 Production: Protactinium
 Production: Radium
 Production: Tantalum
 
congratulations (1)
 Data1: Helium
 
congress (1)
 On This Day... 19 September
 
coniine (1)
 On This Day... 28 July
 
conjugate (2)
 Equation: Acid dissociation constant
 Equation: Base ionisation constant
 
conjunction (2)
 Compounds: Chlorine
 Data1: Dysprosium
 
connected (1)
 Biography: Sir Humphry Davy
 
connecticut (1)
 Data1: Niobium
 
connection (3)
 On This Day... 16 December
 On This Day... 16 September
 On This Day... 4 September
 
connections (1)
 Data1: Lead
 
connetable (1)
 Production: Phosphorus
 
connotation (1)
 Data1: Francium
 
conrad (1)
 Glossary: X-Rays
 
conscious (2)
 Biography: Robert Wilhelm Bunsen
 Compounds: Nitrogen
 
consciousness (2)
 Compounds: Sodium
 Production: Aluminium
 
conseil (1)
 Biography: Louis Jacques Thenard
 
consent (1)
 Data1: Plutonium
 
consequence (1)
 Equation: Avogadro's law
 
consequences (1)
 Biography: Karl Wilhelm Scheele
 
consequently (10)
 Biography: Philip Hauge Abelson
 Compounds: Thorium
 Data1: Dubnium
 Data1: Lutetium
 Data1: Oxygen
 Data1: Thorium
 Document: The Noble Gases (Group 18)
 Glossary: Noble Gasses (inert gasses)
 Production: Cadmium
 Production: Lutetium
 
conservation (3)
 Biography: Antoine-Laurent de Lavoisier
 On This Day... 25 November
 On This Day... 8 November
 
conservatoire (1)
 Data1: Uranium
 
conservators (1)
 Data1: Argon
 
conserved (1)
 Glossary: Alpha Decay
 
consider (2)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Jöns Jacob Berzelius
 
considerable (7)
 Biography: Clemens Alexander Winkler
 Biography: Julius Caesar Scaliger
 Biography: Robert Wilhelm Bunsen
 Data1: Niobium
 Data1: Phosphorus
 Data1: Technetium
 Isotope: Xenon
 
considerably (5)
 Biography: (Gabriel) Daniel Fahrenheit
 Compounds: Nitrogen
 Data1: Aluminium
 Data1: Gallium
 Glossary: Alkali Metal
 
considerations (2)
 Biography: Joseph Louis Gay-Lussac
 Glossary: Spontaneous Fission
 
considered (50)
 Biography: Ida Eva Tacke Noddack
 Biography: Jöns Jacob Berzelius
 Biography: Joseph Louis Gay-Lussac
 Compounds: Argon
 Compounds: Chlorine
 Compounds: Chromium
 Compounds: Neon
 Country: China
 Country: Germany
 Country: Hungary
 Country: Japan
 Country: Kazakhstan
 Country: Slovakia
 Country: Ukraine
 Country: United Kingdom
 Country: United States of America
 Data1: Aluminium
 Data1: Argon
 Data1: Caesium
 Data1: Chromium
 Data1: Gold
 Data1: Indium
 Data1: Nitrogen
 Data1: Phosphorus
 Data1: Platinum
 Data1: Plutonium
 Data1: Radium
 Data1: Rhenium
 Data1: Rhodium
 Data1: Silver
 Data1: Sodium
 Data1: Strontium
 Data1: Tantalum
 Data1: Tellurium
 Data1: Titanium
 Document: The Alkaline Earth Metals (Group 2)
 Glossary: Acid
 Glossary: Alkali Metal
 Glossary: Inert
 Glossary: Liquid
 Glossary: Magnetic Ordering
 Glossary: pH
 Glossary: Plasma
 Glossary: Thermal Conductivity
 Isotope: Tungsten
 Production: Aluminium
 Production: Rhodium
 Production: Rubidium
 Production: Thallium
 Reactions: Uranium
 
considering (2)
 Production: Mercury
 Production: Technetium
 
consist (10)
 Biography: Carl Gustav Mosander
 Biography: Henry Cavendish
 Data1: Chlorine
 Data1: Lutetium
 Glossary: Allotrope
 Glossary: Aromatic
 Glossary: Magnetic Ordering
 Isotope: Helium
 Production: Helium
 Production: Iron
 
consistently (1)
 Biography: Clemens Alexander Winkler
 
consisting (10)
 Allotrope: Boron
 Biography: Philip Hauge Abelson
 Biography: Robert Wilhelm Bunsen
 Data1: Indium
 Data1: Radium
 Glossary: Allotrope
 Glossary: Gas
 Glossary: Magic Number
 Glossary: Molecule
 Production: Silicon
 
consists (13)
 Allotrope: Carbon
 Biography: Smithson Tennant
 Compounds: Magnesium
 Country: Australia
 Country: Outer space
 Data1: Nitrogen
 Glossary: Atomic Mass
 Glossary: Neutron
 Glossary: Proton
 Isotope: Hydrogen
 Isotope: Tungsten
 Production: Neptunium
 Production: Plutonium
 
consolidated (1)
 Production: Ruthenium
 
consolidation (1)
 Compounds: Hafnium
 
constancy (1)
 On This Day... 12 February
 
constant (21)
 Biography: Julius Caesar Scaliger
 Biography: Michael Faraday
 Compounds: Tin
 Equation: Acid dissociation constant
 Equation: Avogadro's law
 Equation: Base ionisation constant
 Equation: Boyle's Law
 Equation: Charles' Law
 Equation: Combined Gas Law
 Equation: Henry's Law
 Equation: Ideal gas law
 Equation: Osmotic pressure
 Equation: Root mean square (RMS) velocity of gas molecules
 Equation: Van der Waals equation
 Equation: van't Hoff equation
 Glossary: Avogadro's Constant
 Glossary: Ideal Gas
 Glossary: Isotope
 Glossary: Mole
 Glossary: pH
 On This Day... 2 October
 
constantly (3)
 Data1: Argon
 Data1: Helium
 Production: Technetium
 
constants (2)
 Biography: Henry Cavendish
 On This Day... 6 April
 
constellation (1)
 Data1: Lutetium
 
constituent (11)
 Biography: Morris Travers
 Biography: Robert Wilhelm Bunsen
 Country: Outer space
 Data1: Beryllium
 Data1: Iron
 Glossary: Alloy
 Glossary: Temperature
 On This Day... 30 April
 Production: Beryllium
 Production: Niobium
 Production: Nitrogen
 
constituents (3)
 Biography: Baron Axel Fredrik Cronstedt
 Data1: Praseodymium
 Glossary: Proton
 
constitutes (2)
 Production: Argon
 Production: Helium
 
constituting (1)
 Country: Outer space
 
constitution (1)
 Biography: John Dalton
 
constrain (1)
 Glossary: Anti-Neutrino
 
construct (2)
 Biography: Pierre Curie
 Data1: Iridium
 
constructed (2)
 Biography: Philip Hauge Abelson
 On This Day... 17 November
 
construction (13)
 Biography: Gottfried Münzenberg
 Biography: Michael Faraday
 Compounds: Calcium
 Compounds: Chlorine
 Compounds: Indium
 Compounds: Magnesium
 Data1: Beryllium
 Data1: Magnesium
 Data1: Tungsten
 Data1: Vanadium
 Glossary: Spontaneous Fission
 Glossary: Thermal Conductivity
 Production: Iron
 
consultation (1)
 Biography: Ida Eva Tacke Noddack
 
consulted (1)
 Biography: Joseph Louis Gay-Lussac
 
consume (2)
 Compounds: Sodium
 Data1: Sodium
 
consumed (5)
 Glossary: Catalyst
 Glossary: Reagent
 Production: Aluminium
 Production: Hydrogen
 Production: Indium
 
consumend (1)
 Data1: Titanium
 
consumer (2)
 Compounds: Titanium
 Data1: Chlorine
 
consumers (1)
 Data1: Lead
 
consumes (1)
 Production: Aluminium
 
consuming (1)
 Compounds: Chlorine
 
consumption (8)
 Compounds: Chlorine
 Compounds: Sodium
 Country: United States of America
 Data1: Germanium
 Data1: Nickel
 Data1: Selenium
 Production: Aluminium
 Production: Cadmium
 
contact (20)
 Biography: Robert Wilhelm Bunsen
 Compounds: Iodine
 Compounds: Nitrogen
 Compounds: Oxygen
 Compounds: Phosphorus
 Data1: Aluminium
 Data1: Arsenic
 Data1: Bromine
 Data1: Calcium
 Data1: Fluorine
 Data1: Gallium
 Data1: Iodine
 Data1: Lithium
 Data1: Phosphorus
 Data1: Potassium
 Data1: Tungsten
 Data1: Yttrium
 Glossary: Pyrophoric
 Glossary: Refractory
 Production: Technetium
 
contacted (1)
 Data1: Lead
 
contacting (1)
 Allotrope: Carbon
 
contacts (4)
 Biography: Robert Wilhelm Bunsen
 Data1: Rhenium
 Data1: Ruthenium
 Data1: Silver
 
contain (58)
 Allotrope: Carbon
 Biography: Johan Gadolin
 Compounds: Bismuth
 Compounds: Carbon
 Compounds: Chlorine
 Compounds: Copper
 Compounds: Iodine
 Compounds: Phosphorus
 Compounds: Potassium
 Compounds: Sodium
 Compounds: Strontium
 Compounds: Sulfur
 Country: Australia
 Country: Canada
 Country: China
 Country: Kazakhstan
 Country: Outer space
 Country: Russia
 Data1: Calcium
 Data1: Cobalt
 Data1: Europium
 Data1: Germanium
 Data1: Hafnium
 Data1: Hydrogen
 Data1: Indium
 Data1: Iodine
 Data1: Lanthanum
 Data1: Lead
 Data1: Molybdenum
 Data1: Oxygen
 Data1: Rhodium
 Data1: Tin
 Data1: Tungsten
 Data1: Zinc
 Data1: Zirconium
 Glossary: Aliphatic
 Glossary: Atom
 Glossary: Molecule
 Glossary: Organic chemistry
 Production: Caesium
 Production: Carbon
 Production: Copper
 Production: Gallium
 Production: Hafnium
 Production: Indium
 Production: Mercury
 Production: Neodymium
 Production: Niobium
 Production: Nitrogen
 Production: Promethium
 Production: Rhenium
 Production: Rhodium
 Production: Rubidium
 Production: Ruthenium
 Production: Silver
 Production: Technetium
 Production: Thallium
 Production: Uranium
 
contained (33)
 Biography: Antoine-Jerome Balard
 Biography: Charles Hatchett
 Biography: Ferdinand Frederic Henri Moissan
 Biography: Ferdinand Reich
 Biography: Marguerite Catherine Perey
 Biography: Per Teodor Cleve
 Biography: Robert Wilhelm Bunsen
 Biography: Walter Noddack
 Biography: William Gregor
 Country: Outer space
 Data1: Boron
 Data1: Cerium
 Data1: Chlorine
 Data1: Fluorine
 Data1: Mercury
 Data1: Ruthenium
 Data1: Technetium
 Data1: Terbium
 Data1: Titanium
 Data1: Yttrium
 Glossary: Temperature
 Isotope: Plutonium
 On This Day... 4 May
 Production: Bromine
 Production: Fluorine
 Production: Gadolinium
 Production: Lithium
 Production: Manganese
 Production: Praseodymium
 Production: Samarium
 Production: Terbium
 Production: Titanium
 Production: Zirconium
 
container (13)
 Compounds: Aluminium
 Compounds: Copper
 Compounds: Tin
 Data1: Potassium
 Equation: Van der Waals equation
 Glossary: Enthalpy Change of Fusion (Heat of Fusion)
 Glossary: Liquid
 Glossary: Plasma
 Glossary: Temperature
 Production: Thulium
 Reactions: Caesium
 Reactions: Lead
 Reactions: Rubidium
 
containers (6)
 Compounds: Lead
 Data1: Gallium
 Data1: Iridium
 Data1: Platinum
 Glossary: Hygroscopic
 Reactions: Nickel
 
containing (88)
 Allotrope: Sulfur
 Biography: Jöns Jacob Berzelius
 Biography: Sir William Crookes
 Compounds: Argon
 Compounds: Fluorine
 Compounds: Iron
 Compounds: Mercury
 Compounds: Nitrogen
 Compounds: Sodium
 Compounds: Tin
 Country: Russia
 Data1: Aluminium
 Data1: Argon
 Data1: Cadmium
 Data1: Europium
 Data1: Fluorine
 Data1: Nickel
 Data1: Niobium
 Data1: Plutonium
 Data1: Tantalum
 Data1: Terbium
 Data1: Vanadium
 Data1: Yttrium
 Data1: Zirconium
 Document: The Halogens (Group 17)
 Equation: Van der Waals equation
 Glossary: Actinides
 Glossary: Alpha Decay
 Glossary: Aromatic
 Glossary: Lanthanides (old name)
 Glossary: Noble Gasses (inert gasses)
 Glossary: Spontaneous Fission
 On This Day... 18 May
 On This Day... 30 October
 Production: Boron
 Production: Cadmium
 Production: Chlorine
 Production: Europium
 Production: Fluorine
 Production: Hydrogen
 Production: Iodine
 Production: Lead
 Production: Phosphorus
 Production: Samarium
 Production: Silicon
 Production: Sulfur
 Production: Thallium
 Production: Thorium
 Production: Vanadium
 Reactions: Aluminium
 Reactions: Antimony
 Reactions: Beryllium
 Reactions: Bismuth
 Reactions: Cadmium
 Reactions: Caesium
 Reactions: Calcium
 Reactions: Cerium
 Reactions: Chromium
 Reactions: Cobalt
 Reactions: Copper
 Reactions: Dysprosium
 Reactions: Erbium
 Reactions: Europium
 Reactions: Gadolinium
 Reactions: Holmium
 Reactions: Iron
 Reactions: Lanthanum
 Reactions: Lithium
 Reactions: Lutetium
 Reactions: Magnesium
 Reactions: Manganese
 Reactions: Neodymium
 Reactions: Nickel
 Reactions: Polonium
 Reactions: Potassium
 Reactions: Praseodymium
 Reactions: Promethium
 Reactions: Rubidium
 Reactions: Samarium
 Reactions: Scandium
 Reactions: Sodium
 Reactions: Strontium
 Reactions: Sulfur
 Reactions: Terbium
 Reactions: Thulium
 Reactions: Ytterbium
 Reactions: Yttrium
 Reactions: Zinc
 
contains (49)
 Allotrope: Oxygen
 Allotrope: Selenium
 Biography: Julius Caesar Scaliger
 Biography: Pierre Jules César Janssen
 Compounds: Nitrogen
 Compounds: Zinc
 Country: Australia
 Country: Botswana
 Country: Canada
 Country: Democratic Republic of Congo
 Country: Outer space
 Country: Russia
 Country: South Africa
 Data1: Actinium
 Data1: Argon
 Data1: Dubnium
 Data1: Gadolinium
 Data1: Lutetium
 Data1: Phosphorus
 Data1: Ruthenium
 Data1: Titanium
 Glossary: Air
 Glossary: Amalgam
 Glossary: Anhydrous
 Glossary: Atom
 Glossary: Atomic Number (Z)
 Glossary: Binary compound
 Glossary: Heavy water (D2O)
 Glossary: Mole
 Glossary: Molecule
 Glossary: Nucleus
 Isotope: Americium
 Isotope: Helium
 Isotope: Plutonium
 On This Day... 2 February
 Production: Helium
 Production: Lead
 Production: Lithium
 Production: Lutetium
 Production: Magnesium
 Production: Nickel
 Production: Platinum
 Production: Rhodium
 Production: Rubidium
 Production: Ruthenium
 Production: Technetium
 Production: Terbium
 Production: Thorium
 Production: Uranium
 
contaminant (2)
 Compounds: Magnesium
 Data1: Polonium
 
contaminants (3)
 Compounds: Oxygen
 Data1: Holmium
 Data1: Thulium
 
contaminated (5)
 Biography: Eugene-Antole Demarcay
 Compounds: Magnesium
 Data1: Europium
 Data1: Lead
 Production: Boron
 
contamination (3)
 Data1: Radon
 Production: Gold
 Production: Technetium
 
contemplated (1)
 Production: Lanthanum
 
contemporaries (1)
 Biography: Julius Caesar Scaliger
 
contemporary (4)
 Biography: Julius Caesar Scaliger
 Data1: Nickel
 Data1: Tantalum
 Data1: Technetium
 
contempt (1)
 Biography: Julius Caesar Scaliger
 
contended (1)
 Biography: Julius Caesar Scaliger
 
content (26)
 Biography: Robert Wilhelm Bunsen
 Compounds: Calcium
 Compounds: Sodium
 Compounds: Titanium
 Country: Madagascar
 Country: Norway
 Country: Outer space
 Data1: Europium
 Data1: Iron
 Data1: Lead
 Data1: Mercury
 Data1: Nickel
 Data1: Samarium
 Data1: Terbium
 Data1: Thulium
 Data1: Titanium
 Data1: Yttrium
 Data1: Zirconium
 Glossary: Spontaneous Fission
 On This Day... 13 January
 Production: Hydrogen
 Production: Lanthanum
 Production: Terbium
 Production: Thulium
 Production: Yttrium
 Production: Zirconium
 
contentious (1)
 Biography: Julius Caesar Scaliger
 
contents (1)
 Compounds: Carbon
 
context (4)
 Data1: Iron
 Data1: Radon
 Glossary: Abundance
 Glossary: Electronegativity
 
continental (1)
 Isotope: Osmium
 
continue (7)
 Biography: Bernard Courtois
 Biography: Franz-Joseph Muller Freiherr von Reichenstein
 Data1: Iodine
 Data1: Samarium
 Glossary: Enthalpy Change of Fusion (Heat of Fusion)
 Glossary: Spontaneous Fission
 Isotope: Uranium
 
continued (11)
 Biography: Enrico Fermi
 Biography: Irene Joliot-Curie
 Biography: Joseph Louis Gay-Lussac
 Biography: Joseph Priestley
 Biography: Julius Caesar Scaliger
 Biography: Lise Meitner
 Biography: Morris Travers
 Country: Peru
 Data1: Europium
 Data1: Selenium
 Production: Lead
 
continues (8)
 Compounds: Silicon
 Data1: Praseodymium
 Data1: Selenium
 Data1: Titanium
 Glossary: Electron Capture
 Reactions: Caesium
 Reactions: Lithium
 Reactions: Rubidium
 
continuing (5)
 Biography: Lise Meitner
 Biography: Robert Wilhelm Bunsen
 Compounds: Thallium
 Data1: Selenium
 Production: Uranium
 
continuous (4)
 Data1: Fluorine
 Glossary: Emission Spectrum
 Production: Fluorine
 Production: Zinc
 
continuously (3)
 Biography: Jöns Jacob Berzelius
 Data1: Helium
 Production: Plutonium
 
contract (2)
 Data1: Radon
 Glossary: Thermal Expansion
 
contracted (1)
 Biography: Irene Joliot-Curie
 
contraction (6)
 Data1: Potassium
 Data1: Sodium
 Glossary: Lanthanides (old name)
 Glossary: Lanthanoids
 Glossary: Poisson Ratio
 Production: Yttrium
 
contractions (1)
 Compounds: Magnesium
 
contracts (3)
 Compounds: Dysprosium
 Compounds: Terbium
 Data1: Beryllium
 
contrast (4)
 Country: Outer space
 Data1: Praseodymium
 Data1: Xenon
 Production: Technetium
 
contrasting (1)
 Compounds: Iron
 
contribute (3)
 Data1: Fluorine
 Production: Helium
 Production: Titanium
 
contributed (7)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Edwin Mattison McMillan
 Biography: Enrico Fermi
 Biography: Ida Eva Tacke Noddack
 Biography: Irene Joliot-Curie
 Biography: Michael Faraday
 Country: Outer space
 
contribution (4)
 Biography: Hans Christian Oersted
 Biography: Joseph Louis Gay-Lussac
 Glossary: Magnetic Ordering
 On This Day... 4 September
 
contributions (10)
 Biography: Antoine-Laurent de Lavoisier
 Biography: Henry Cavendish
 Biography: Paul Emile Lecoq de Boisbaudran
 Biography: Robert Wilhelm Bunsen
 On This Day... 10 December
 On This Day... 16 September
 On This Day... 21 July
 On This Day... 21 March
 On This Day... 24 March
 On This Day... 29 November
 
contributors (1)
 Biography: Dmitriy Ivanovich Mendeleyev
 
control (20)
 Compounds: Boron
 Compounds: Calcium
 Compounds: Germanium
 Compounds: Hafnium
 Compounds: Phosphorus
 Compounds: Silicon
 Compounds: Sodium
 Compounds: Thorium
 Data1: Copper
 Data1: Dysprosium
 Data1: Hafnium
 Data1: Holmium
 Data1: Samarium
 Data1: Tellurium
 Isotope: Boron
 Isotope: Uranium
 Reactions: Iodine
 Reactions: Palladium
 Reactions: Phosphorus
 Reactions: Platinum
 
controlled (13)
 Compounds: Barium
 Data1: Cerium
 Glossary: Shear Modulus
 Production: Tellurium
 Reactions: Antimony
 Reactions: Arsenic
 Reactions: Bismuth
 Reactions: Palladium
 Reactions: Platinum
 Reactions: Polonium
 Reactions: Selenium
 Reactions: Tellurium
 Reactions: Tungsten
 
controlling (1)
 Compounds: Germanium
 
controls (1)
 Data1: Carbon
 
controversial (2)
 Data1: Seaborgium
 Production: Gold
 
controversies (1)
 Biography: Jöns Jacob Berzelius
 
controversy (10)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Joseph Priestley
 Data1: Bohrium
 Data1: Dubnium
 Data1: Hassium
 Data1: Meitnerium
 Data1: Niobium
 Data1: Polonium
 Data1: Rutherfordium
 Data1: Seaborgium
 
convalescence (1)
 Biography: John William Strutt Rayleigh
 
convalescent (1)
 Biography: Irene Joliot-Curie
 
convalescing (1)
 Biography: Irene Joliot-Curie
 
convection (5)
 Glossary: Conduction
 Glossary: Convection
 Glossary: Radiation
 Glossary: Thermal Conductivity
 Production: Uranium
 
convenient (5)
 Data1: Titanium
 Document: Understanding Electron Configuration Tables
 Glossary: pH
 Production: Nickel
 Production: Technetium
 
convention (2)
 Compounds: Phosphorus
 Data1: Phosphorus
 
conventional (4)
 Country: Outer space
 Document: The Noble Gases (Group 18)
 Glossary: Noble Gasses (inert gasses)
 Production: Technetium
 
conventionally (1)
 Biography: John Dalton
 
conversations (2)
 Biography: Jöns Jacob Berzelius
 Biography: Michael Faraday
 
converse (1)
 Biography: Pierre Curie
 
conversely (1)
 Equation: Boyle's Law
 
conversion (9)
 Compounds: Mercury
 Data1: Manganese
 Equation: Temperature in kelvin from degrees celsius conversion
 Glossary: Double Beta Decay
 Glossary: Isometric Transition
 Glossary: Sublimation
 On This Day... 16 June
 On This Day... 2 November
 Production: Uranium
 
convert (9)
 Biography: Ferdinand Frederic Henri Moissan
 Biography: Hennig Brand
 Data1: Promethium
 Data1: Ytterbium
 Glossary: Centigrade (celsius)
 Glossary: Endothermic
 Glossary: Fahrenheit
 Glossary: Kelvin (absolute temperature)
 Reactions: Uranium
 
converted (13)
 Compounds: Boron
 Compounds: Sodium
 Data1: Tellurium
 Glossary: Antimatter
 Glossary: Double Beta Decay
 Glossary: Positron Emission (Beta+ Decay)
 Isotope: Plutonium
 Production: Chromium
 Production: Neptunium
 Production: Plutonium
 Reactions: Bromine
 Reactions: Chlorine
 Reactions: Iodine
 
converters (6)
 Data1: Cobalt
 Data1: Lanthanum
 Data1: Palladium
 Data1: Platinum
 Data1: Zirconium
 Production: Iron
 
converting (5)
 Data1: Nitrogen
 Data1: Protactinium
 Glossary: Double Beta Decay
 Glossary: Enzyme
 Production: Cadmium
 
converts (3)
 Data1: Xenon
 Glossary: Electron Emission (Beta- Decay)
 Isotope: Sodium
 
conveyor (1)
 Data1: Lawrencium
 
conviction (2)
 Biography: Ferdinand Reich
 Biography: John Dalton
 
convince (1)
 Data1: Sulfur
 
convinced (2)
 Biography: Ferdinand Reich
 On This Day... 13 July
 
coo (2)
 Compounds: Cobalt
 Reactions: Cobalt
 
cooke (1)
 On This Day... 12 October
 
cooked (1)
 Data1: Aluminium
 
cooking (2)
 Compounds: Fluorine
 On This Day... 26 March
 
cool (6)
 Compounds: Barium
 Data1: Fluorine
 Data1: Gallium
 Data1: Helium
 Data1: Sodium
 Glossary: Temperature
 
coolant (6)
 Compounds: Lithium
 Country: United States of America
 Data1: Gallium
 Data1: Helium
 Data1: Lithium
 Isotope: Boron
 
cooled (9)
 Allotrope: Tin
 Biography: Ferdinand Frederic Henri Moissan
 Data1: Helium
 Data1: Radon
 Isotope: Helium
 Production: Iron
 Production: Lead
 Production: Xenon
 Reactions: Krypton
 
cooler (4)
 Biography: Sir William Crookes
 Compounds: Zirconium
 Data1: Zirconium
 Glossary: Convection
 
coolest (2)
 Country: Outer space
 Production: Titanium
 
cooling (13)
 Allotrope: Arsenic
 Allotrope: Sulfur
 Biography: Ferdinand Frederic Henri Moissan
 Data1: Aluminium
 Data1: Antimony
 Data1: Helium
 Equation: Boyle's Law
 Glossary: Temperature
 Glossary: Thermal Expansion
 Isotope: Helium
 Production: Radon
 Production: Technetium
 Reactions: Iodine
 
cools (1)
 Reactions: Carbon
 
cooper (1)
 On This Day... 17 September
 
cooperation (1)
 Biography: Sir Humphry Davy
 
cooperite (2)
 Country: South Africa
 Production: Platinum
 
coordination (95)
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Dysprosium
 Data2: Erbium
 Data2: Europium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iron
 Data2: Lanthanum
 Data2: Lawrencium
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Rhenium
 Data2: Rhodium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Samarium
 Data2: Scandium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 On This Day... 15 August
 Production: Yttrium
 
cope (1)
 On This Day... 27 June
 
copenhagen (3)
 Biography: Dirk Coster
 Biography: Hans Christian Oersted
 Data1: Hafnium
 
copernicium (9)
 Atomic data: Ununbium
 Compounds: Ununbium
 Data1: Ununbium
 Data2: Ununbium
 Isotope: Ununbium
 MAC data: Ununbium
 Production: Ununbium
 Reactions: Ununbium
 Spectrum: Ununbium
 
copernicus (2)
 Biography: Julius Caesar Scaliger
 Data1: Ununbium
 
copiers (1)
 Data1: Selenium
 
copley (2)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Robert Wilhelm Bunsen
 
copper (123)
 Biography: Bernard Courtois
 Biography: Sir Humphry Davy
 Compounds: Barium
 Compounds: Bismuth
 Compounds: Copper
 Compounds: Gadolinium
 Compounds: Indium
 Compounds: Iron
 Compounds: Selenium
 Compounds: Sodium
 Compounds: Strontium
 Compounds: Tantalum
 Country: Albania
 Country: Argentina
 Country: Armenia
 Country: Australia
 Country: Austria
 Country: Belgium
 Country: Botswana
 Country: Brazil
 Country: Bulgaria
 Country: Burma (Myanmar)
 Country: Canada
 Country: Chile
 Country: China
 Country: Colombia
 Country: Cyprus
 Country: Democratic People's Republic of Korea
 Country: Democratic Republic of Congo
 Country: Egypt
 Country: Finland
 Country: Georgia
 Country: Germany
 Country: India
 Country: Indonesia
 Country: Iran
 Country: Italy
 Country: Japan
 Country: Kazakhstan
 Country: Laos
 Country: Macedonia
 Country: Mauritania
 Country: Mexico
 Country: Mongolia
 Country: Morocco
 Country: Namibia
 Country: Norway
 Country: Oman
 Country: Pakistan
 Country: Papua New Guinea
 Country: Peru
 Country: Philippines
 Country: Poland
 Country: Portugal
 Country: Republic of Korea
 Country: Romania
 Country: Russia
 Country: Saudi Arabia
 Country: Serbia
 Country: South Africa
 Country: Spain
 Country: Sweden
 Country: Tanzania
 Country: Thailand
 Country: Turkey
 Country: Ukraine
 Country: United States of America
 Country: Uzbekistan
 Country: Vietnam
 Country: Zambia
 Country: Zimbabwe
 Data1: Aluminium
 Data1: Antimony
 Data1: Bismuth
 Data1: Calcium
 Data1: Copper
 Data1: Gallium
 Data1: Germanium
 Data1: Gold
 Data1: Indium
 Data1: Lawrencium
 Data1: Lead
 Data1: Lithium
 Data1: Molybdenum
 Data1: Nickel
 Data1: Palladium
 Data1: Rhenium
 Data1: Rhodium
 Data1: Selenium
 Data1: Silver
 Data1: Tellurium
 Data1: Tin
 Data1: Titanium
 Data1: Zinc
 Data2: Copper
 Data2: Mercury
 Document: Abundance of the Elements in the Solar System
 Document: Chemical makeup of the human body
 Document: The Transition Metals (Groups 3 to 12)
 Glossary: Halogens
 Glossary: Moh's Scale of Hardness
 Isotope: Copper
 Names: Copper
 On This Day... 31 December
 Production: Cadmium
 Production: Cobalt
 Production: Copper
 Production: Indium
 Production: Iodine
 Production: Lead
 Production: Mercury
 Production: Molybdenum
 Production: Palladium
 Production: Rhenium
 Production: Rhodium
 Production: Selenium
 Production: Silver
 Production: Tellurium
 Production: Thallium
 Production: Tin
 Production: Zinc
 Reactions: Copper
 Spectrum: Copper
 
coppper (3)
 Atomic data: Copper
 Compounds: Copper
 MAC data: Copper
 
coproduct (1)
 Production: Zirconium
 
copy (1)
 Data1: Selenium
 
copying (1)
 Biography: Sir Humphry Davy
 
coral (1)
 Data1: Fermium
 
corderoite (2)
 Data1: Mercury
 Production: Mercury
 
cordite (1)
 On This Day... 17 July
 
cords (1)
 Data1: Lead
 
core (9)
 Compounds: Plutonium
 Data1: Praseodymium
 Document: The Alkali (Group 1) Metals
 Glossary: Alkali Metal
 Glossary: Nucleus
 Production: Iridium
 Production: Iron
 Production: Nickel
 Production: Uranium
 
cores (3)
 Country: Outer space
 Isotope: Beryllium
 Production: Palladium
 
coriolis (1)
 On This Day... 21 May
 
cork (1)
 Glossary: Poisson Ratio
 
corn (1)
 Isotope: Strontium
 
cornell (1)
 Biography: Dale R. Corson
 
corner (1)
 Data1: Gold
 
corners (1)
 Data1: Radon
 
cornish (2)
 Country: United Kingdom
 Data1: Tin
 
cornwall (5)
 Biography: Sir Humphry Davy
 Biography: William Gregor
 Country: United Kingdom
 Data1: Tin
 Data1: Titanium
 
corporation (2)
 Biography: Joseph Priestley
 Data1: Neodymium
 
corps (1)
 Data1: Samarium
 
correct (5)
 Biography: Jöns Jacob Berzelius
 Compounds: Magnesium
 Data1: Argon
 Data1: Cerium
 Glossary: pH
 
corrective (1)
 Data1: Niobium
 
correctly (4)
 Biography: Antoine-Laurent de Lavoisier
 Biography: Ida Eva Tacke Noddack
 Biography: Walter Noddack
 Data1: Molybdenum
 
corrects (1)
 Biography: Julius Caesar Scaliger
 
correlation (4)
 Country: Outer space
 Data1: Selenium
 Glossary: Thermal Conductivity
 On This Day... 7 April
 
corresponded (1)
 Data1: Scandium
 
corresponding (8)
 Biography: Robert Wilhelm Bunsen
 Glossary: Absorption Spectrum
 Isotope: Hydrogen
 Reactions: Barium
 Reactions: Calcium
 Reactions: Manganese
 Reactions: Radium
 Reactions: Strontium
 
correspondingly (1)
 Country: Outer space
 
corresponds (3)
 Data1: Caesium
 Document: The Transition Metals (Groups 3 to 12)
 Isotope: Nickel
 
corrode (4)
 Compounds: Barium
 Data1: Mercury
 Data1: Rhenium
 Glossary: Acid
 
corroded (2)
 Biography: Bernard Courtois
 On This Day... 31 December
 
corrodes (1)
 Data1: Gallium
 
corrosion (18)
 Compounds: Aluminium
 Compounds: Chromium
 Compounds: Palladium
 Compounds: Titanium
 Compounds: Zinc
 Compounds: Zirconium
 Data1: Boron
 Data1: Fluorine
 Data1: Indium
 Data1: Iridium
 Data1: Manganese
 Data1: Nickel
 Data1: Ruthenium
 Data1: Tantalum
 Data1: Tin
 Data1: Titanium
 Glossary: Brinell Hardness
 Production: Fluorine
 
corrosive (20)
 Compounds: Antimony
 Compounds: Boron
 Compounds: Chlorine
 Compounds: Fluorine
 Compounds: Iron
 Compounds: Nitrogen
 Compounds: Silver
 Compounds: Sulfur
 Compounds: Tin
 Data1: Fluorine
 Data1: Gallium
 Data1: Tellurium
 Data1: Xenon
 Data1: Zirconium
 Document: The Halogens (Group 17)
 Glossary: Aqua regia
 Glossary: Halogens
 Production: Zinc
 Reactions: Iridium
 Reactions: Rhodium
 
corrugated (1)
 Data1: Tin
 
corruption (1)
 Data1: Manganese
 
corruptions (1)
 Biography: Joseph Priestley
 
corson (2)
 Biography: Dale R. Corson
 Data1: Astatine
 
cortical (1)
 Compounds: Sodium
 
corundum (3)
 Compounds: Aluminium
 Data1: Aluminium
 Glossary: Moh's Scale of Hardness
 
coryell (1)
 Data1: Promethium
 
cosmetic (3)
 Compounds: Iron
 Compounds: Magnesium
 Compounds: Titanium
 
cosmetics (7)
 Compounds: Aluminium
 Compounds: Magnesium
 Compounds: Silicon
 Compounds: Sodium
 Data1: Antimony
 Data1: Mercury
 Data1: Zinc
 
cosmic (8)
 Glossary: Cosmogenic isotope
 Glossary: Radiation
 Isotope: Argon
 Isotope: Beryllium
 Isotope: Chlorine
 Isotope: Hydrogen
 Isotope: Iodine
 Production: Tellurium
 
cosmogenic (4)
 Glossary: Cosmogenic isotope
 Isotope: Beryllium
 Isotope: Calcium
 Isotope: Nickel
 
cosmological (1)
 Production: Helium
 
cosmologists (1)
 Data1: Lithium
 
cost (21)
 Biography: Robert Wilhelm Bunsen
 Compounds: Cobalt
 Compounds: Neodymium
 Compounds: Phosphorus
 Country: Canada
 Country: Outer space
 Data1: Aluminium
 Data1: Bromine
 Data1: Fluorine
 Data1: Iodine
 Data1: Neodymium
 Data1: Praseodymium
 Data1: Protactinium
 Data1: Rhenium
 Production: Aluminium
 Production: Erbium
 Production: Fluorine
 Production: Gold
 Production: Iodine
 Production: Rhodium
 Production: Rubidium
 
costa (1)
 Country: Costa Rica
 
coster (4)
 Biography: Dirk Coster
 Biography: George Charles de Hevesy
 Data1: Hafnium
 On This Day... 5 October
 
costing (3)
 Data1: Lutetium
 Data1: Praseodymium
 Production: Lutetium
 
costly (3)
 Compounds: Radium
 Data1: Titanium
 Glossary: Allotrope
 
costs (5)
 Compounds: Titanium
 Data1: Thulium
 Production: Gold
 Production: Manganese
 Production: Thulium
 
costume (1)
 Compounds: Titanium
 
cotton (4)
 Compounds: Calcium
 Data2: Bromine
 On This Day... 17 July
 On This Day... 9 April
 
cottrell (1)
 On This Day... 10 January
 
could (44)
 Biography: (Gabriel) Daniel Fahrenheit
 Biography: Bernard Courtois
 Biography: Ferdinand Frederic Henri Moissan
 Biography: Jöns Jacob Berzelius
 Biography: Joseph Louis Gay-Lussac
 Biography: Julius Caesar Scaliger
 Biography: Michael Faraday
 Biography: Philip Hauge Abelson
 Biography: Robert Wilhelm Bunsen
 Biography: Sir Humphry Davy
 Biography: Walter Noddack
 Biography: William Gregor
 Biography: William Hyde Wollaston
 Country: China
 Country: Outer space
 Data1: Bohrium
 Data1: Carbon
 Data1: Chromium
 Data1: Gallium
 Data1: Germanium
 Data1: Iodine
 Data1: Lanthanum
 Data1: Meitnerium
 Data1: Mercury
 Data1: Phosphorus
 Data1: Platinum
 Data1: Praseodymium
 Data1: Promethium
 Data1: Protactinium
 Data1: Radium
 Data1: Rutherfordium
 Data1: Sodium
 Data1: Sulfur
 Data1: Tantalum
 Data1: Technetium
 Data1: Titanium
 Data1: Tungsten
 Data1: Ytterbium
 Data1: Yttrium
 Glossary: Magnetic Ordering
 On This Day... 3 October
 Production: Palladium
 Production: Technetium
 Production: Uranium
 
couldn (1)
 Data1: Lead
 
coulomb (3)
 Biography: Hans Christian Oersted
 Biography: Henry Cavendish
 Glossary: Electrochemical Equivalent
 
coulombs (2)
 Biography: Michael Faraday
 Equation: Electric current
 
coulometers (1)
 Data1: Mercury
 
council (1)
 Production: Copper
 
councils (1)
 Biography: Antoine-Laurent de Lavoisier
 
count (2)
 On This Day... 20 January
 On This Day... 26 March
 
counter (4)
 Biography: Albert Ghiorso
 Data1: Radon
 Data1: Zinc
 Production: Praseodymium
 
counteract (2)
 Data1: Lithium
 Reactions: Carbon
 
counterfeiting (1)
 Data1: Europium
 
counterpart (1)
 Glossary: Antimatter
 
counterparts (2)
 Glossary: Antimatter
 Glossary: Convection
 
counters (1)
 Data1: Argon
 
counterweights (1)
 Data1: Tungsten
 
counties (1)
 Production: Radon
 
countless (2)
 Data1: Germanium
 Data1: Iron
 
countries (25)
 Compounds: Carbon
 Country: Australia
 Country: Brazil
 Country: Burkina Faso
 Country: China
 Country: Germany
 Country: Hungary
 Country: Jamaica
 Country: Japan
 Country: Kazakhstan
 Country: Slovakia
 Country: Ukraine
 Country: United Kingdom
 Country: United States of America
 Data1: Gold
 Data1: Radium
 Data1: Sodium
 Data1: Thallium
 Data1: Tin
 Glossary: X-Rays
 Production: Copper
 Production: Lithium
 Production: Mercury
 Production: Thorium
 Production: Uranium
 
country (144)
 Biography: Irene Joliot-Curie
 Biography: Joseph Louis Gay-Lussac
 Biography: Pierre Curie
 Country: Afghanistan
 Country: Albania
 Country: Algeria
 Country: Argentina
 Country: Armenia
 Country: Australia
 Country: Austria
 Country: Azerbaijan
 Country: Belgium
 Country: Bhutan
 Country: Bolivia
 Country: Bosnia and Herzegovina
 Country: Botswana
 Country: Brazil
 Country: Bulgaria
 Country: Burkina Faso
 Country: Burma (Myanmar)
 Country: Burundi
 Country: Cameroon
 Country: Canada
 Country: Chile
 Country: China
 Country: Colombia
 Country: Costa Rica
 Country: Croatia
 Country: Cuba
 Country: Cyprus
 Country: Czech Republic
 Country: Democratic People's Republic of Korea
 Country: Democratic Republic of Congo
 Country: Dominican Republic
 Country: Ecuador
 Country: Egypt
 Country: El Salvador
 Country: Eritrea
 Country: Estonia
 Country: Ethiopia
 Country: Fiji
 Country: Finland
 Country: France
 Country: French Guiana
 Country: Gabon
 Country: Gambia
 Country: Georgia
 Country: Germany
 Country: Ghana
 Country: Greece
 Country: Greenland
 Country: Guatemala
 Country: Guinea
 Country: Guyana
 Country: Honduras
 Country: Hungary
 Country: Iceland
 Country: India
 Country: Indonesia
 Country: Iran
 Country: Ireland
 Country: Israel
 Country: Italy
 Country: Ivory Coast
 Country: Jamaica
 Country: Japan
 Country: Jordan
 Country: Kazakhstan
 Country: Kenya
 Country: Kuwait
 Country: Kyrgyzstan
 Country: Laos
 Country: Latvia
 Country: Libya
 Country: Macedonia
 Country: Madagascar
 Country: Malaysia
 Country: Mali
 Country: Mauritania
 Country: Mexico
 Country: Moldova
 Country: Mongolia
 Country: Morocco
 Country: Mozambique
 Country: Namibia
 Country: Netherlands
 Country: New Caledonia
 Country: New Zealand
 Country: Nicaragua
 Country: Niger
 Country: Nigeria
 Country: Norway
 Country: Oceans / Seas
 Country: Oman
 Country: Outer space
 Country: Pakistan
 Country: Papua New Guinea
 Country: Paraguay
 Country: Peru
 Country: Philippines
 Country: Poland
 Country: Portugal
 Country: Qatar
 Country: Republic of Korea
 Country: Romania
 Country: Russia
 Country: Rwanda
 Country: Saudi Arabia
 Country: Senegal
 Country: Serbia
 Country: Sierra Leone
 Country: Slovakia
 Country: Slovenia
 Country: Somalia
 Country: South Africa
 Country: Spain
 Country: Sri Lanka
 Country: Sudan
 Country: Suriname
 Country: Sweden
 Country: Switzerland
 Country: Syria
 Country: Taiwan
 Country: Tajikistan
 Country: Tanzania
 Country: Thailand
 Country: Trinidad and Tobago
 Country: Tunisia
 Country: Turkey
 Country: Turkmenistan
 Country: Uganda
 Country: Ukraine
 Country: United Arab Emirates
 Country: United Kingdom
 Country: United States of America
 Country: Uruguay
 Country: Uzbekistan
 Country: Venezuela
 Country: Vietnam
 Country: Zambia
 Country: Zimbabwe
 Data1: Francium
 Data1: Polonium
 Production: Uranium
 
county (2)
 Country: United States of America
 Production: Bromine
 
couper (1)
 Data1: Manganese
 
couple (3)
 Compounds: Silicon
 Data1: Iodine
 Data1: Sodium
 
couples (1)
 Data1: Nitrogen
 
coupling (3)
 Allotrope: Carbon
 Compounds: Silicon
 Glossary: Thermal Conductivity
 
course (15)
 Biography: Ida Eva Tacke Noddack
 Biography: Jöns Jacob Berzelius
 Biography: Smithson Tennant
 Biography: Walter Noddack
 Country: Peru
 Data1: Europium
 Data1: Nitrogen
 Data1: Phosphorus
 Data1: Plutonium
 Data1: Promethium
 Glossary: Allotrope
 Glossary: Half Life
 On This Day... 12 October
 Production: Mercury
 Production: Technetium
 
courses (2)
 Biography: Robert Wilhelm Bunsen
 Compounds: Sodium
 
courting (1)
 Biography: Dmitriy Ivanovich Mendeleyev
 
courtois (3)
 Biography: Bernard Courtois
 Data1: Iodine
 On This Day... 12 February
 
cousin (1)
 Biography: Julius Caesar Scaliger
 
covalent (127)
 Compounds: Boron
 Compounds: Rhenium
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Argon
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Bohrium
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Darmstadtium
 Data2: Dubnium
 Data2: Dysprosium
 Data2: Einsteinium
 Data2: Erbium
 Data2: Europium
 Data2: Fermium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Hassium
 Data2: Helium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iridium
 Data2: Iron
 Data2: Krypton
 Data2: Lanthanum
 Data2: Lawrencium
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Meitnerium
 Data2: Mendelevium
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neon
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Radon
 Data2: Rhenium
 Data2: Rhodium
 Data2: Roentgenium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Rutherfordium
 Data2: Samarium
 Data2: Scandium
 Data2: Seaborgium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Strontium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Ununbium
 Data2: Ununhexium
 Data2: Ununoctium
 Data2: Ununpentium
 Data2: Ununquadium
 Data2: Ununseptium
 Data2: Ununtrium
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 Document:
 Document: The Alkaline Earth Metals (Group 2)
 Glossary: Allotrope
 Glossary: Atomic Radius
 Glossary: Covalent bonds
 Glossary: Electronegativity
 Glossary: Ionic bonds
 
covalently (1)
 Allotrope: Sulfur
 
coveline (1)
 Data1: Copper
 
covellite (1)
 Production: Copper
 
cover (3)
 Biography: Pierre Jules César Janssen
 Country: Algeria
 Country: United States of America
 
covered (8)
 Biography: Robert Wilhelm Bunsen
 Data1: Phosphorus
 Reactions: Barium
 Reactions: Beryllium
 Reactions: Calcium
 Reactions: Lead
 Reactions: Radium
 Reactions: Strontium
 
covering (2)
 Biography: Robert Wilhelm Bunsen
 Reactions: Arsenic
 
covers (3)
 Data1: Antimony
 Data1: Sodium
 Data1: Titanium
 
cow (1)
 Production: Technetium
 
coworkers (1)
 Production: Nitrogen
 
cows (1)
 Data1: Magnesium
 
cp (2)
 Data1: Ununbium
 Isotope: Ununbium
 
cpus (1)
 Data1: Aluminium
 
cr (9)
 Atomic data: Chromium
 Data1: Chromium
 Data2: Chromium
 Isotope: Chromium
 Isotope: Iron
 Isotope: Manganese
 Isotope: Vanadium
 Reactions: Chromium
 Spectrum: Chromium
 
cr+ (1)
 Atomic data: Chromium
 
cr+1 (1)
 Data2: Chromium
 
cr+2 (1)
 Data2: Chromium
 
cr+3 (1)
 Data2: Chromium
 
cr+4 (1)
 Data2: Chromium
 
cr+5 (1)
 Data2: Chromium
 
cr+6 (1)
 Data2: Chromium
 
cr0 (1)
 Data2: Chromium
 
cr2+ (1)
 Reactions: Chromium
 
cr2o3 (1)
 Compounds: Tin
 
cr2o72 (1)
 Reactions: Chromium
 
cr3+ (1)
 Reactions: Chromium
 
cr3c2 (1)
 Compounds: Chromium
 
cr54 (1)
 Data1: Bohrium
 
crab (1)
 Compounds: Sodium
 
cracked (1)
 Data1: Palladium
 
cracking (4)
 Compounds: Samarium
 Data1: Lutetium
 Data1: Protactinium
 Production: Hydrogen
 
craftsmen (1)
 Compounds: Iron
 
cram (1)
 On This Day... 3 October
 
cramps (1)
 Compounds: Magnesium
 
cranberries (1)
 Compounds: Sodium
 
cranston (1)
 Data1: Protactinium
 
crash (1)
 Compounds: Potassium
 
crater (4)
 Allotrope: Carbon
 Biography: Dmitriy Ivanovich Mendeleyev
 Country: Outer space
 Production: Sulfur
 
craters (1)
 Biography: John William Strutt Rayleigh
 
crawford (3)
 Biography: Adair Crawford
 Data1: Strontium
 On This Day... 30 March
 
crbr3 (1)
 Reactions: Chromium
 
crc (1)
 Glossary: Thermal Conductivity
 
crcl3 (1)
 Reactions: Chromium
 
cream (2)
 Compounds: Potassium
 Compounds: Silver
 
creams (1)
 Data1: Radium
 
create (18)
 Compounds: Cobalt
 Compounds: Helium
 Compounds: Sodium
 Compounds: Tantalum
 Compounds: Thorium
 Country: Outer space
 Country: Peru
 Country: United States of America
 Data1: Americium
 Data1: Fermium
 Data1: Neptunium
 Data1: Praseodymium
 Data1: Thorium
 Glossary: Enthalpy Change of Fusion (Heat of Fusion)
 Isotope: Helium
 Isotope: Neptunium
 On This Day... 15 October
 Production: Fermium
 
created (61)
 Allotrope: Oxygen
 Biography: Antoine-Laurent de Lavoisier
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Enrico Fermi
 Biography: John Dalton
 Biography: Michael Faraday
 Compounds: Fluorine
 Country: Canada
 Country: Outer space
 Data1: Americium
 Data1: Curium
 Data1: Einsteinium
 Data1: Fermium
 Data1: Hydrogen
 Data1: Lithium
 Data1: Nobelium
 Data1: Palladium
 Data1: Scandium
 Data1: Technetium
 Data1: Ununbium
 Data1: Ununoctium
 Data1: Yttrium
 Glossary: Cosmogenic isotope
 Glossary: Double Electron Capture
 Glossary: Group
 Glossary: Magic Number
 Glossary: Moh's Scale of Hardness
 Isotope: Argon
 Isotope: Helium
 Isotope: Iodine
 Isotope: Ununbium
 Isotope: Ununhexium
 Isotope: Ununoctium
 Isotope: Ununpentium
 Isotope: Ununquadium
 Isotope: Ununtrium
 On This Day... 8 December
 Production: Bohrium
 Production: Californium
 Production: Curium
 Production: Darmstadtium
 Production: Dubnium
 Production: Einsteinium
 Production: Fermium
 Production: Hassium
 Production: Meitnerium
 Production: Nickel
 Production: Nitrogen
 Production: Plutonium
 Production: Polonium
 Production: Roentgenium
 Production: Rutherfordium
 Production: Seaborgium
 Production: Ununbium
 Production: Ununhexium
 Production: Ununoctium
 Production: Ununpentium
 Production: Ununquadium
 Production: Ununtrium
 Reactions: Helium
 Reactions: Uranium
 
creates (9)
 Biography: Michael Faraday
 Compounds: Iodine
 Compounds: Sodium
 Data1: Americium
 Glossary: Magnetic Ordering
 Isotope: Uranium
 Production: Neptunium
 Production: Plutonium
 Production: Uranium
 
creating (10)
 Allotrope: Arsenic
 Biography: Philip Hauge Abelson
 Compounds: Chlorine
 Compounds: Lithium
 Compounds: Silver
 Data1: Gallium
 Data1: Meitnerium
 Data1: Seaborgium
 Document: The Alkali (Group 1) Metals
 Glossary: Ionization energy
 
creation (4)
 Data1: Curium
 Glossary: Pyrophoric
 On This Day... 5 December
 Production: Technetium
 
creator (3)
 Biography: Dmitriy Ivanovich Mendeleyev
 Glossary: Periodic Table
 On This Day... 8 February
 
creators (1)
 Biography: Dmitriy Ivanovich Mendeleyev
 
creatures (1)
 Data1: Sulfur
 
credit (8)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Franz-Joseph Muller Freiherr von Reichenstein
 Biography: Frederick Soddy
 Biography: Robert Wilhelm Bunsen
 Data1: Hydrogen
 Data1: Oxygen
 Data1: Seaborgium
 Data1: Tellurium
 
credited (13)
 Biography: Albert Ghiorso
 Biography: Antoine Alexandre Brutus Bussy
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Henry Cavendish
 Biography: Joseph W. Kennedy
 Biography: Pierre Jules César Janssen
 Data1: Aluminium
 Data1: Cobalt
 Data1: Europium
 Data1: Seaborgium
 Data1: Tungsten
 Data1: Uranium
 Glossary: Periodic Table
 
creed (2)
 Biography: William Gregor
 Data1: Titanium
 
creighton (1)
 On This Day... 2 March
 
crell (1)
 Data1: Titanium
 
crest (1)
 Compounds: Sodium
 
crf3 (1)
 Reactions: Chromium
 
crf5 (1)
 Reactions: Chromium
 
crf6 (1)
 Reactions: Chromium
 
cri3 (1)
 Reactions: Chromium
 
crick (2)
 On This Day... 2 April
 On This Day... 8 June
 
crimean (1)
 Biography: Dmitriy Ivanovich Mendeleyev
 
criminal (1)
 Isotope: Strontium
 
crimson (2)
 Compounds: Radium
 Data1: Strontium
 
cripto (1)
 Names: Krypton
 
crisium (1)
 Production: Molybdenum
 
crisp (1)
 Compounds: Fluorine
 
crisps (1)
 Compounds: Sodium
 
cristales (1)
 Country: Mexico
 
critcal (118)
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Argon
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Bohrium
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Darmstadtium
 Data2: Dubnium
 Data2: Dysprosium
 Data2: Einsteinium
 Data2: Erbium
 Data2: Europium
 Data2: Fermium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Hassium
 Data2: Helium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iridium
 Data2: Iron
 Data2: Krypton
 Data2: Lanthanum
 Data2: Lawrencium
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Meitnerium
 Data2: Mendelevium
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neon
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Radon
 Data2: Rhenium
 Data2: Rhodium
 Data2: Roentgenium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Rutherfordium
 Data2: Samarium
 Data2: Scandium
 Data2: Seaborgium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Strontium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Ununbium
 Data2: Ununhexium
 Data2: Ununoctium
 Data2: Ununpentium
 Data2: Ununquadium
 Data2: Ununseptium
 Data2: Ununtrium
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 
criterion (1)
 Glossary: Spontaneous Fission
 
critic (1)
 Biography: Julius Caesar Scaliger
 
critical (37)
 Biography: Joseph Priestley
 Biography: Pierre Curie
 Compounds: Barium
 Compounds: Hydrogen
 Compounds: Niobium
 Data1: Actinium
 Data1: Argon
 Data1: Arsenic
 Data1: Bromine
 Data1: Caesium
 Data1: Chlorine
 Data1: Fluorine
 Data1: Gadolinium
 Data1: Helium
 Data1: Hydrogen
 Data1: Iodine
 Data1: Krypton
 Data1: Lithium
 Data1: Mercury
 Data1: Neon
 Data1: Nitrogen
 Data1: Oxygen
 Data1: Phosphorus
 Data1: Platinum
 Data1: Potassium
 Data1: Radon
 Data1: Rubidium
 Data1: Selenium
 Data1: Sodium
 Data1: Sulfur
 Data1: Xenon
 Glossary: Critical temperature
 Glossary: Magnetic Ordering
 Glossary: Spontaneous Fission
 Isotope: Calcium
 Isotope: Plutonium
 On This Day... 19 December
 
criticality (1)
 Isotope: Sodium
 
criticism (2)
 Biography: Jean Charles Galissard de Marignac
 Biography: Julius Caesar Scaliger
 
criticisms (2)
 Biography: Julius Caesar Scaliger
 On This Day... 27 January
 
criticize (1)
 Biography: Jöns Jacob Berzelius
 
criticized (1)
 Biography: Ida Eva Tacke Noddack
 
critics (1)
 Data1: Seaborgium
 
cro2 (2)
 Compounds: Chromium
 Reactions: Chromium
 
cro3 (2)
 Data1: Chromium
 Data2: Selenium
 
cro33 (1)
 Reactions: Chromium
 
cro4 (1)
 Data1: Chromium
 
cro42 (2)
 Reactions: Chromium
 Reactions: Silver
 
croat (118)
 Names: Actinium
 Names: Aluminium
 Names: Americium
 Names: Antimony
 Names: Argon
 Names: Arsenic
 Names: Astatine
 Names: Barium
 Names: Berkelium
 Names: Beryllium
 Names: Bismuth
 Names: Bohrium
 Names: Boron
 Names: Bromine
 Names: Cadmium
 Names: Caesium
 Names: Calcium
 Names: Californium
 Names: Carbon
 Names: Cerium
 Names: Chlorine
 Names: Chromium
 Names: Cobalt
 Names: Copper
 Names: Curium
 Names: Darmstadtium
 Names: Dubnium
 Names: Dysprosium
 Names: Einsteinium
 Names: Erbium
 Names: Europium
 Names: Fermium
 Names: Fluorine
 Names: Francium
 Names: Gadolinium
 Names: Gallium
 Names: Germanium
 Names: Gold
 Names: Hafnium
 Names: Hassium
 Names: Helium
 Names: Holmium
 Names: Hydrogen
 Names: Indium
 Names: Iodine
 Names: Iridium
 Names: Iron
 Names: Krypton
 Names: Lanthanum
 Names: Lawrencium
 Names: Lead
 Names: Lithium
 Names: Lutetium
 Names: Magnesium
 Names: Manganese
 Names: Meitnerium
 Names: Mendelevium
 Names: Mercury
 Names: Molybdenum
 Names: Neodymium
 Names: Neon
 Names: Neptunium
 Names: Nickel
 Names: Niobium
 Names: Nitrogen
 Names: Nobelium
 Names: Osmium
 Names: Oxygen
 Names: Palladium
 Names: Phosphorus
 Names: Platinum
 Names: Plutonium
 Names: Polonium
 Names: Potassium
 Names: Praseodymium
 Names: Promethium
 Names: Protactinium
 Names: Radium
 Names: Radon
 Names: Rhenium
 Names: Rhodium
 Names: Roentgenium
 Names: Rubidium
 Names: Ruthenium
 Names: Rutherfordium
 Names: Samarium
 Names: Scandium
 Names: Seaborgium
 Names: Selenium
 Names: Silicon
 Names: Silver
 Names: Sodium
 Names: Strontium
 Names: Sulfur
 Names: Tantalum
 Names: Technetium
 Names: Tellurium
 Names: Terbium
 Names: Thallium
 Names: Thorium
 Names: Thulium
 Names: Tin
 Names: Titanium
 Names: Tungsten
 Names: Ununbium
 Names: Ununhexium
 Names: Ununoctium
 Names: Ununpentium
 Names: Ununquadium
 Names: Ununseptium
 Names: Ununtrium
 Names: Uranium
 Names: Vanadium
 Names: Xenon
 Names: Ytterbium
 Names: Yttrium
 Names: Zinc
 Names: Zirconium
 
croatia (1)
 Country: Croatia
 
crocoite (1)
 Data1: Chromium
 
crocolite (1)
 Biography: Louis Nicolas Vauquelin
 
crofty (2)
 Country: United Kingdom
 Data1: Tin
 
croh2+ (1)
 Reactions: Chromium
 
cromo (1)
 Names: Chromium
 
cronstedt (3)
 Biography: Baron Axel Fredrik Cronstedt
 Data1: Nickel
 On This Day... 23 December
 
crookes (7)
 Biography: Robert Wilhelm Bunsen
 Biography: Sir William Crookes
 Data1: Helium
 Data1: Protactinium
 Data1: Thallium
 On This Day... 17 June
 On This Day... 23 March
 
crookesite (2)
 Data1: Thallium
 Production: Thallium
 
crooks (2)
 Country: Oceans / Seas
 Production: Gold
 
crops (3)
 Compounds: Magnesium
 Compounds: Manganese
 Compounds: Phosphorus
 
cross (6)
 Compounds: Zinc
 Data1: Sulfur
 Glossary: Neutrino
 Isotope: Xenon
 Production: Plutonium
 Production: Technetium
 
crossing (1)
 Biography: Pierre Curie
 
crowfoot (1)
 On This Day... 12 May
 
crown (2)
 Data1: Gold
 On This Day... 3 October
 
crownlike (1)
 Allotrope: Sulfur
 
crowns (2)
 Data1: Gold
 Data1: Platinum
 
crucial (2)
 Biography: Antoine-Laurent de Lavoisier
 Production: Mercury
 
crucible (4)
 Biography: Ferdinand Frederic Henri Moissan
 Data1: Iridium
 Data1: Scandium
 Data1: Zinc
 
crucibles (6)
 Allotrope: Carbon
 Compounds: Titanium
 Data1: Platinum
 Data1: Thorium
 Data1: Zirconium
 Glossary: Refractory
 
crude (11)
 Biography: Irene Joliot-Curie
 Compounds: Potassium
 Data1: Iridium
 Data1: Palladium
 Data1: Rhodium
 Data1: Ruthenium
 Data1: Vanadium
 Data1: Yttrium
 Production: Gallium
 Production: Helium
 Production: Vanadium
 
crudely (1)
 Production: Uranium
 
cruibles (1)
 Compounds: Zirconium
 
cruikshank (1)
 Biography: Adair Crawford
 
crum (1)
 On This Day... 26 March
 
crumble (1)
 Biography: Jöns Jacob Berzelius
 
crushed (2)
 Production: Lead
 Production: Uranium
 
crushing (1)
 Country: United Kingdom
 
crust (122)
 Data1: Aluminium
 Data1: Antimony
 Data1: Argon
 Data1: Arsenic
 Data1: Astatine
 Data1: Barium
 Data1: Beryllium
 Data1: Bismuth
 Data1: Boron
 Data1: Bromine
 Data1: Cadmium
 Data1: Caesium
 Data1: Calcium
 Data1: Carbon
 Data1: Cerium
 Data1: Chlorine
 Data1: Chromium
 Data1: Cobalt
 Data1: Copper
 Data1: Dysprosium
 Data1: Erbium
 Data1: Europium
 Data1: Fluorine
 Data1: Francium
 Data1: Gadolinium
 Data1: Gallium
 Data1: Germanium
 Data1: Gold
 Data1: Hafnium
 Data1: Helium
 Data1: Holmium
 Data1: Hydrogen
 Data1: Indium
 Data1: Iodine
 Data1: Iridium
 Data1: Iron
 Data1: Krypton
 Data1: Lanthanum
 Data1: Lead
 Data1: Lithium
 Data1: Lutetium
 Data1: Magnesium
 Data1: Manganese
 Data1: Mercury
 Data1: Molybdenum
 Data1: Neodymium
 Data1: Neon
 Data1: Nickel
 Data1: Niobium
 Data1: Nitrogen
 Data1: Osmium
 Data1: Oxygen
 Data1: Palladium
 Data1: Phosphorus
 Data1: Platinum
 Data1: Polonium
 Data1: Potassium
 Data1: Praseodymium
 Data1: Protactinium
 Data1: Radium
 Data1: Radon
 Data1: Rhenium
 Data1: Rhodium
 Data1: Rubidium
 Data1: Ruthenium
 Data1: Samarium
 Data1: Scandium
 Data1: Selenium
 Data1: Silicon
 Data1: Silver
 Data1: Sodium
 Data1: Strontium
 Data1: Sulfur
 Data1: Tantalum
 Data1: Tellurium
 Data1: Terbium
 Data1: Thallium
 Data1: Thorium
 Data1: Thulium
 Data1: Tin
 Data1: Titanium
 Data1: Tungsten
 Data1: Uranium
 Data1: Vanadium
 Data1: Xenon
 Data1: Ytterbium
 Data1: Yttrium
 Data1: Zinc
 Data1: Zirconium
 Document: The Actinoid Series
 Glossary: Actinides
 Glossary: Actinoids
 Glossary: Element
 Glossary: Rare Earth Elements
 Production: Aluminium
 Production: Astatine
 Production: Bismuth
 Production: Cerium
 Production: Francium
 Production: Hafnium
 Production: Helium
 Production: Holmium
 Production: Iridium
 Production: Iron
 Production: Lanthanum
 Production: Lithium
 Production: Mercury
 Production: Platinum
 Production: Polonium
 Production: Potassium
 Production: Praseodymium
 Production: Rhenium
 Production: Rubidium
 Production: Scandium
 Production: Silicon
 Production: Technetium
 Production: Tellurium
 Production: Thallium
 Production: Tin
 Production: Titanium
 Production: Uranium
 Production: Yttrium
 
crustal (4)
 Production: Bromine
 Production: Copper
 Production: Mercury
 Production: Tellurium
 
crutzen (1)
 On This Day... 3 December
 
cry (1)
 Data1: Indium
 
cryogenic (4)
 Data1: Hydrogen
 Data1: Neon
 Production: Argon
 Production: Neon
 
cryogenics (2)
 Biography: Morris Travers
 Data1: Helium
 
cryolite (4)
 Data1: Fluorine
 Data1: Sodium
 On This Day... 16 February
 Production: Aluminium
 
cryptosporidium (1)
 Compounds: Oxygen
 
crystal (130)
 Allotrope: Carbon
 Allotrope: Tin
 Allotrope: Ytterbium
 Biography: Pierre Curie
 Biography: William Hyde Wollaston
 Compounds: Barium
 Compounds: Boron
 Compounds: Cerium
 Compounds: Fluorine
 Compounds: Hafnium
 Compounds: Indium
 Compounds: Iodine
 Compounds: Silicon
 Compounds: Silver
 Compounds: Sodium
 Compounds: Vanadium
 Compounds: Zirconium
 Country: Madagascar
 Data1: Indium
 Data1: Praseodymium
 Data1: Thorium
 Data1: Titanium
 Data1: Yttrium
 Data1: Zirconium
 Data2: Actinium
 Data2: Aluminium
 Data2: Americium
 Data2: Antimony
 Data2: Argon
 Data2: Arsenic
 Data2: Astatine
 Data2: Barium
 Data2: Berkelium
 Data2: Beryllium
 Data2: Bismuth
 Data2: Boron
 Data2: Bromine
 Data2: Cadmium
 Data2: Caesium
 Data2: Calcium
 Data2: Californium
 Data2: Carbon
 Data2: Cerium
 Data2: Chlorine
 Data2: Chromium
 Data2: Cobalt
 Data2: Copper
 Data2: Curium
 Data2: Dysprosium
 Data2: Erbium
 Data2: Europium
 Data2: Fluorine
 Data2: Francium
 Data2: Gadolinium
 Data2: Gallium
 Data2: Germanium
 Data2: Gold
 Data2: Hafnium
 Data2: Holmium
 Data2: Hydrogen
 Data2: Indium
 Data2: Iodine
 Data2: Iridium
 Data2: Iron
 Data2: Krypton
 Data2: Lanthanum
 Data2: Lawrencium
 Data2: Lead
 Data2: Lithium
 Data2: Lutetium
 Data2: Magnesium
 Data2: Manganese
 Data2: Mercury
 Data2: Molybdenum
 Data2: Neodymium
 Data2: Neon
 Data2: Neptunium
 Data2: Nickel
 Data2: Niobium
 Data2: Nitrogen
 Data2: Nobelium
 Data2: Osmium
 Data2: Oxygen
 Data2: Palladium
 Data2: Phosphorus
 Data2: Platinum
 Data2: Plutonium
 Data2: Polonium
 Data2: Potassium
 Data2: Praseodymium
 Data2: Promethium
 Data2: Protactinium
 Data2: Radium
 Data2: Rhenium
 Data2: Rhodium
 Data2: Rubidium
 Data2: Ruthenium
 Data2: Samarium
 Data2: Scandium
 Data2: Selenium
 Data2: Silicon
 Data2: Silver
 Data2: Sodium
 Data2: Strontium
 Data2: Sulfur
 Data2: Tantalum
 Data2: Technetium
 Data2: Tellurium
 Data2: Terbium
 Data2: Thallium
 Data2: Thorium
 Data2: Thulium
 Data2: Tin
 Data2: Titanium
 Data2: Tungsten
 Data2: Uranium
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Data2: Yttrium
 Data2: Zinc
 Data2: Zirconium
 Glossary: Atomic Radius
 Glossary: Enthalpy Change of Fusion (Heat of Fusion)
 Glossary: Spontaneous Fission
 Glossary: Thermal Conductivity
 On This Day... 14 February
 On This Day... 2 July
 Production: Gallium
 Production: Silicon
 
crystalises (1)
 Glossary: Enthalpy Change of Fusion (Heat of Fusion)
 
crystalized (2)
 Data1: Germanium
 Production: Barium
 
crystalline (28)
 Allotrope: Boron
 Allotrope: Carbon
 Allotrope: Phosphorus
 Allotrope: Sulfur
 Biography: Bernard Courtois
 Compounds: Aluminium
 Compounds: Antimony
 Compounds: Copper
 Compounds: Gadolinium
 Compounds: Indium
 Compounds: Iodine
 Compounds: Lithium
 Compounds: Selenium
 Compounds: Tantalum
 Compounds: Yttrium
 Compounds: Zirconium
 Data1: Antimony
 Data1: Arsenic
 Data1: Boron
 Data1: Gallium
 Data1: Rhenium
 Glossary: Allotrope
 Glossary: Metals
 Glossary: Thermal Conductivity
 On This Day... 7 January
 Production: Silicon
 Production: Zirconium
 Reactions: Boron
 
crystallization (6)
 Data1: Lanthanum
 Data1: Neodymium
 Data1: Rubidium
 Data1: Samarium
 Data1: Tantalum
 Data1: Thulium
 
crystallized (1)
 Data1: Iodine
 
crystallizes (1)
 Reactions: Iodine
 
crystallographic (1)
 Allotrope: Carbon
 
crystallography (3)
 Biography: Pierre Curie
 On This Day... 25 July
 On This Day... 30 October
 
crystals (22)
 Allotrope: Boron
 Allotrope: Carbon
 Allotrope: Sulfur
 Biography: Pierre Curie
 Compounds: Boron
 Compounds: Iodine
 Compounds: Sodium
 Compounds: Vanadium
 Compounds: Ytterbium
 Country: Mexico
 Data1: Antimony
 Data1: Beryllium
 Data1: Helium
 Data1: Iodine
 Data1: Lanthanum
 Glossary: Atomic Radius
 Glossary: Melting Point (freezing point)
 On This Day... 23 June
 On This Day... 27 March
 Production: Antimony
 Production: Silicon
 Production: Uranium
 
cs (11)
 Atomic data: Caesium
 Country: Canada
 Data1: Caesium
 Data1: Rubidium
 Data2: Caesium
 Isotope: Barium
 Isotope: Caesium
 Isotope: Xenon
 Production: Technetium
 Reactions: Caesium
 Spectrum: Caesium
 
cs+ (2)
 Atomic data: Caesium
 Reactions: Caesium
 
cs+1 (1)
 Data2: Caesium
 
cs2 (2)
 Reactions: Phosphorus
 Reactions: Selenium
 
cs2c2 (1)
 Data2: Silicon
 
csbr (1)
 Reactions: Caesium
 
cscl (2)
 Compounds: Caesium
 Reactions: Caesium
 
csf (1)
 Reactions: Caesium
 
csi (1)
 Reactions: Caesium
 
cso2 (1)
 Reactions: Caesium
 
csoh (1)
 Reactions: Caesium
 
cu (15)
 Atomic data: Copper
 Compounds: Copper
 Compounds: Gadolinium
 Compounds: Indium
 Compounds: Selenium
 Compounds: Strontium
 Data1: Copper
 Data1: Gallium
 Data1: Tin
 Data2: Copper
 Isotope: Copper
 Isotope: Nickel
 Isotope: Zinc
 Reactions: Copper
 Spectrum: Copper
 
cu+ (2)
 Atomic data: Copper
 Reactions: Copper
 
cu+1 (1)
 Data2: Copper
 
cu+2 (1)
 Data2: Copper
 
cu+3 (1)
 Data2: Copper
 
cu+4 (1)
 Data2: Copper
 
cu0 (1)
 Data2: Copper
 
cu13fe2ge2s16 (2)
 Data1: Gallium
 Data1: Germanium
 
cu2+ (1)
 Reactions: Copper
 
cu2co3 (2)
 Data1: Copper
 Production: Copper
 
cu2fesns4 (1)
 Data1: Tin
 
cu2o (3)
 Data1: Copper
 Production: Copper
 Reactions: Copper
 
cu2s (2)
 Data1: Copper
 Production: Copper
 
cu3 (3)
 Compounds: Copper
 Data1: Copper
 Production: Copper
 
cu5fes4 (2)
 Data1: Copper
 Production: Copper
 
cu5h2 (1)
 Compounds: Copper
 
cuba (4)
 Country: Cuba
 Data1: Nickel
 Production: Cobalt
 Production: Nickel
 
cube (1)
 Data1: Gold
 
cubic (56)
 Allotrope: Tin
 Allotrope: Uranium
 Compounds: Boron
 Compounds: Fluorine
 Compounds: Hafnium
 Compounds: Rhenium
 Compounds: Vanadium
 Compounds: Zirconium
 Country: Algeria
 Country: Qatar
 Country: Russia
 Country: United States of America
 Data1: Germanium
 Data1: Helium
 Data1: Hydrogen
 Data1: Osmium
 Data2: Actinium
 Data2: Aluminium
 Data2: Argon
 Data2: Barium
 Data2: Caesium
 Data2: Calcium
 Data2: Chromium
 Data2: Copper
 Data2: Europium
 Data2: Germanium
 Data2: Gold
 Data2: Iridium
 Data2: Iron
 Data2: Krypton
 Data2: Lead
 Data2: Lithium
 Data2: Manganese
 Data2: Molybdenum
 Data2: Neon
 Data2: Nickel
 Data2: Niobium
 Data2: Palladium
 Data2: Platinum
 Data2: Polonium
 Data2: Potassium
 Data2: Radium
 Data2: Rhodium
 Data2: Rubidium
 Data2: Silver
 Data2: Sodium
 Data2: Strontium
 Data2: Tantalum
 Data2: Thorium
 Data2: Tungsten
 Data2: Vanadium
 Data2: Xenon
 Data2: Ytterbium
 Glossary: Electron
 On This Day... 15 March
 Production: Helium
 
cubr (1)
 Reactions: Copper
 
cubr2 (2)
 Compounds: Copper
 Reactions: Copper
 
cucl (1)
 Reactions: Copper
 
cucl2 (1)
 Reactions: Copper
 
cueva (1)
 Country: Mexico
 
cuf2 (1)
 Reactions: Copper
 
cufes2 (2)
 Data1: Copper
 Production: Copper
 
cui (1)
 Reactions: Copper
 
cuivre (1)
 Names: Copper
 
cullen (1)
 On This Day... 15 April
 
culminated (1)
 Biography: Joseph Louis Gay-Lussac
 
cumberland (1)
 Country: United Kingdom
 
cumbria (1)
 Production: Technetium
 
cumbustion (1)
 Data1: Antimony
 
cunningham (2)
 On This Day... 13 September
 On This Day... 24 January
 
cuo (1)
 Reactions: Copper
 
cuo22 (1)
 Reactions: Copper
 
cuo4 (1)
 Data1: Yttrium
 
cup (1)
 Glossary: Heat Capacity
 
cuppelation (1)
 Production: Gold
 
cupric (1)
 Data1: Copper
 
cuprite (2)
 Data1: Copper
 Production: Copper
 
cuprous (1)
 Data1: Copper
 
cuprum (2)
 Data1: Copper
 Names: Copper
 
curative (1)
 Data1: Radium
 
curator (1)
 Biography: Carl Gustav Mosander
 
cure (1)
 Compounds: Manganese
 
cured (2)
 Compounds: Iron
 Compounds: Sodium
 
curie (15)
 Biography: Andre Louis Debierne
 Biography: Ida Eva Tacke Noddack
 Biography: Irene Joliot-Curie
 Biography: Marie Curie (Marya Sklodowska)
 Biography: Pierre Curie
 Compounds: Radium
 Data1: Curium
 Data1: Francium
 Data1: Polonium
 Data1: Radium
 Glossary: Magnetic Ordering
 On This Day... 12 September
 On This Day... 15 May
 On This Day... 19 March
 On This Day... 7 November
 
curies (5)
 Biography: Irene Joliot-Curie
 Biography: Marie Curie (Marya Sklodowska)
 Biography: Pierre Curie
 Data1: Polonium
 Data1: Radium
 
curing (1)
 Compounds: Sodium
 
curio (1)
 Names: Curium
 
curious (2)
 Biography: Julius Caesar Scaliger
 Data1: Cobalt
 
curium (19)
 Atomic data: Curium
 Biography: Albert Ghiorso
 Biography: Glenn Theodore Seaborg
 Compounds: Curium
 Data1: Americium
 Data1: Californium
 Data1: Curium
 Data1: Nobelium
 Data2: Curium
 Document: The Actinoid Series
 Isotope: Curium
 MAC data: Curium
 Names: Curium
 On This Day... 11 November
 Production: Curium
 Production: Nobelium
 Production: Technetium
 Reactions: Curium
 Spectrum: Curium
 
curl (1)
 On This Day... 23 August
 
currencies (1)
 Data1: Gold
 
currency (2)
 Data1: Gold
 Data1: Silver
 
current (39)
 Biography: Charles Hatchett
 Biography: Hans Christian Oersted
 Biography: Henry Cavendish
 Biography: Robert Wilhelm Bunsen
 Biography: William Hyde Wollaston
 Compounds: Phosphorus
 Compounds: Titanium
 Country: Algeria
 Country: China
 Country: Qatar
 Data1: Bismuth
 Data1: Cerium
 Data1: Chlorine
 Data1: Dubnium
 Data1: Francium
 Data1: Meitnerium
 Data1: Promethium
 Data1: Rutherfordium
 Data1: Tungsten
 Data1: Zinc
 Equation: Electric current
 Glossary: Anode
 Glossary: Cathode
 Glossary: Conduction
 Glossary: Electrical Conductivity
 Glossary: Electrical Resistivity
 Glossary: Superconducting temperature
 Glossary: Thermal Conductivity
 Isotope: Bismuth
 Production: Aluminium
 Production: Holmium
 Production: Hydrogen
 Production: Lead
 Production: Mercury
 Production: Palladium
 Production: Praseodymium
 Production: Technetium
 Production: Terbium
 Production: Zinc
 
currently (25)
 Compounds: Hafnium
 Country: Argentina
 Country: Chile
 Country: South Africa
 Data1: Americium
 Data1: Gallium
 Data1: Helium
 Data1: Hydrogen
 Data1: Neodymium
 Data1: Protactinium
 Data1: Radium
 Data1: Radon
 Data1: Samarium
 Data1: Ununpentium
 Data1: Ununtrium
 Data1: Uranium
 Glossary: Actinides
 Glossary: Lanthanides (old name)
 Production: Beryllium
 Production: Dysprosium
 Production: Lead
 Production: Lithium
 Production: Sulfur
 Production: Yttrium
 Reactions: Xenon
 
currents (4)
 Biography: Pierre Curie
 Biography: Robert Wilhelm Bunsen
 Compounds: Neodymium
 Data1: Neon
 
curriculum (2)
 Biography: Irene Joliot-Curie
 Biography: Jöns Jacob Berzelius
 
curtailed (1)
 Data1: Lead
 
curtis (1)
 Production: Technetium
 
curtius (1)
 On This Day... 27 May
 
curvature (1)
 Allotrope: Carbon
 
curve (2)
 Isotope: Nickel
 On This Day... 2 May
 
cus (2)
 Data1: Copper
 Production: Copper
 
cuso4 (2)
 Compounds: Copper
 Data1: Copper
 
customary (1)
 Glossary: Enthalpy Change of Vapourisation
 
cut (13)
 Data1: Cadmium
 Data1: Dysprosium
 Data1: Iron
 Data1: Lanthanum
 Data1: Lithium
 Data1: Potassium
 Data1: Selenium
 Data1: Terbium
 Data1: Thallium
 Data1: Thulium
 Document: The Alkali (Group 1) Metals
 Glossary: Air
 Reactions: Rubidium
 
cutters (1)
 Compounds: Titanium
 
cutting (11)
 Compounds: Niobium
 Compounds: Tantalum
 Compounds: Titanium
 Compounds: Tungsten
 Compounds: Vanadium
 Compounds: Zirconium
 Data1: Hafnium
 Data1: Niobium
 Data1: Tantalum
 Data1: Tungsten
 Data1: Zirconium
 
cyan (1)
 Biography: Robert Wilhelm Bunsen
 
cyanamide (1)
 On This Day... 20 January
 
cyanate (3)
 Biography: Friedrich Wöhler
 Compounds: Potassium
 On This Day... 22 February
 
cyanide (7)
 Compounds: Krypton
 Compounds: Silver
 Compounds: Sodium
 Data1: Palladium
 Data1: Rhodium
 Data1: Sulfur
 Production: Caesium
 
cyanides (1)
 On This Day... 17 November
 
cyanobacteria (2)
 Production: Hydrogen
 Production: Oxygen
 
cyanobacterial (1)
 Production: Hydrogen
 
cyanocobalamin (1)
 Compounds: Cobalt
 
cyanuric (1)
 Compounds: Calcium
 
cycle (4)
 Country: Outer space
 Isotope: Oxygen
 On This Day... 25 August
 Production: Helium
 
cycles (1)
 Data1: Caesium
 
cyclic (1)
 Data1: Carbon
 
cyclobutane (1)
 On This Day... 28 December
 
cycloheptane (1)
 On This Day... 28 December
 
cyclohexasulfur (1)
 Allotrope: Sulfur
 
cyclotrimethylenetrinitramine (1)
 Compounds: Nitrogen
 
cyclotron (17)
 Biography: Albert Ghiorso
 Biography: Emilio Gino Segre
 Biography: Philip Hauge Abelson
 Data1: Berkelium
 Data1: Californium
 Data1: Curium
 Data1: Lawrencium
 Data1: Mendelevium
 Data1: Plutonium
 Data1: Technetium
 Data1: Ununpentium
 Data1: Ununtrium
 Production: Berkelium
 Production: Californium
 Production: Curium
 Production: Mendelevium
 Production: Polonium
 
cylinder (1)
 On This Day... 2 May
 
cylinders (1)
 Data1: Helium
 
cylindrical (1)
 Allotrope: Carbon
 
cylindrite (1)
 Production: Tin
 
cyprium (1)
 Data1: Copper
 
cyprus (2)
 Country: Cyprus
 Data1: Copper
 
cyril (1)
 On This Day... 19 June
 
cystine (1)
 Biography: William Hyde Wollaston
 
czech (123)
 Country: Czech Republic
 Data1: Barium
 Data1: Beryllium
 Data1: Carbon
 Data1: Uranium
 Names: Actinium
 Names: Aluminium
 Names: Americium
 Names: Antimony
 Names: Argon
 Names: Arsenic
 Names: Astatine
 Names: Barium
 Names: Berkelium
 Names: Beryllium
 Names: Bismuth
 Names: Bohrium
 Names: Boron
 Names: Bromine
 Names: Cadmium
 Names: Caesium
 Names: Calcium
 Names: Californium
 Names: Carbon
 Names: Cerium
 Names: Chlorine
 Names: Chromium
 Names: Cobalt
 Names: Copper
 Names: Curium
 Names: Darmstadtium
 Names: Dubnium
 Names: Dysprosium
 Names: Einsteinium
 Names: Erbium
 Names: Europium
 Names: Fermium
 Names: Fluorine
 Names: Francium
 Names: Gadolinium
 Names: Gallium
 Names: Germanium
 Names: Gold
 Names: Hafnium
 Names: Hassium
 Names: Helium
 Names: Holmium
 Names: Hydrogen
 Names: Indium
 Names: Iodine
 Names: Iridium
 Names: Iron
 Names: Krypton
 Names: Lanthanum
 Names: Lawrencium
 Names: Lead
 Names: Lithium
 Names: Lutetium
 Names: Magnesium
 Names: Manganese
 Names: Meitnerium
 Names: Mendelevium
 Names: Mercury
 Names: Molybdenum
 Names: Neodymium
 Names: Neon
 Names: Neptunium
 Names: Nickel
 Names: Niobium
 Names: Nitrogen
 Names: Nobelium
 Names: Osmium
 Names: Oxygen
 Names: Palladium
 Names: Phosphorus
 Names: Platinum
 Names: Plutonium
 Names: Polonium
 Names: Potassium
 Names: Praseodymium
 Names: Promethium
 Names: Protactinium
 Names: Radium
 Names: Radon
 Names: Rhenium
 Names: Rhodium
 Names: Roentgenium
 Names: Rubidium
 Names: Ruthenium
 Names: Rutherfordium
 Names: Samarium
 Names: Scandium
 Names: Seaborgium
 Names: Selenium
 Names: Silicon
 Names: Silver
 Names: Sodium
 Names: Strontium
 Names: Sulfur
 Names: Tantalum
 Names: Technetium
 Names: Tellurium
 Names: Terbium
 Names: Thallium
 Names: Thorium
 Names: Thulium
 Names: Tin
 Names: Titanium
 Names: Tungsten
 Names: Ununbium
 Names: Ununhexium
 Names: Ununoctium
 Names: Ununpentium
 Names: Ununquadium
 Names: Ununseptium
 Names: Ununtrium
 Names: Uranium
 Names: Vanadium
 Names: Xenon
 Names: Ytterbium
 Names: Yttrium
 Names: Zinc
 Names: Zirconium
 
czochralski (2)
 Production: Boron
 Production: Gallium