ABCDEFGHIJKLMNOPQRSTUVWXYZ
n+2 (1)
 Data2: Nitrogen
 
n+3 (1)
 Data2: Nitrogen
 
n+4 (1)
 Data2: Nitrogen
 
n+5 (1)
 Data2: Nitrogen
 
n0 (1)
 Data2: Nitrogen
 
n1 (8)
 MAC data: Actinium
 MAC data: Astatine
 MAC data: Francium
 MAC data: Protactinium
 MAC data: Radium
 MAC data: Radon
 MAC data: Thorium
 MAC data: Uranium
 
n2 (22)
 Data1: Nitrogen
 Glossary: Energy Levels
 Glossary: Molecule
 MAC data: Actinium
 MAC data: Protactinium
 MAC data: Radium
 MAC data: Thorium
 MAC data: Uranium
 Production: Hydrogen
 Reactions: Barium
 Reactions: Beryllium
 Reactions: Calcium
 Reactions: Carbon
 Reactions: Lithium
 Reactions: Magnesium
 Reactions: Manganese
 Reactions: Nitrogen
 Reactions: Phosphorus
 Reactions: Radium
 Reactions: Silicon
 Reactions: Strontium
 Reactions: Titanium
 
n2h4 (2)
 Data2: Platinum
 Reactions: Nitrogen
 
n2h5+ (1)
 Reactions: Nitrogen
 
n2o (2)
 Compounds: Nitrogen
 Reactions: Nitrogen
 
n2o4 (3)
 Compounds: Nitrogen
 Data2: Indium
 Reactions: Nitrogen
 
n3 (4)
 Compounds: Lead
 MAC data: Protactinium
 MAC data: Uranium
 Reactions: Nitrogen
 
na (15)
 Atomic data: Sodium
 Compounds: Sodium
 Country: Canada
 Data1: Lithium
 Data1: Niobium
 Data1: Rubidium
 Data1: Sodium
 Data2: Sodium
 Glossary: Exothermic
 Isotope: Sodium
 Production: Lithium
 Production: Niobium
 Production: Sodium
 Reactions: Sodium
 Spectrum: Sodium
 
na+ (5)
 Atomic data: Sodium
 Reactions: Aluminium
 Reactions: Bismuth
 Reactions: Silicon
 Reactions: Sodium
 
na+1 (1)
 Data2: Sodium
 
na2alf6 (1)
 Data1: Fluorine
 
na2b4o7 (3)
 Compounds: Boron
 Compounds: Sodium
 Data1: Boron
 
na2co3 (3)
 Compounds: Sodium
 Data1: Sodium
 Production: Sodium
 
na2o (1)
 Reactions: Sodium
 
na2o2 (1)
 Reactions: Sodium
 
na2po3f (1)
 Compounds: Sodium
 
na2s2o5 (1)
 Compounds: Sodium
 
na2s2o8 (1)
 Compounds: Sodium
 
na2se (1)
 Compounds: Sodium
 
na2so3 (1)
 Compounds: Sodium
 
na3alf6 (2)
 Data1: Sodium
 Production: Aluminium
 
na3c6h5o7 (1)
 Compounds: Sodium
 
na5p3o10 (1)
 Compounds: Sodium
 
nabh4 (1)
 Compounds: Boron
 
nabio3 (1)
 Reactions: Bismuth
 
nabo3 (1)
 Compounds: Boron
 
nabr (1)
 Reactions: Sodium
 
nac (1)
 Data2: Mercury
 
nacl (13)
 Compounds: Chlorine
 Compounds: Sodium
 Country: Oceans / Seas
 Data1: Chlorine
 Data1: Iridium
 Data1: Sodium
 Document: The Alkali (Group 1) Metals
 Glossary: Binary compound
 Glossary: Exothermic
 Production: Chlorine
 Production: Sodium
 Production: Uranium
 Reactions: Sodium
 
nacn (2)
 Compounds: Sodium
 Data1: Iridium
 
nacogdoches (1)
 Biography: Joseph W. Kennedy
 
naf (3)
 Compounds: Sodium
 Data1: Fluorine
 Reactions: Sodium
 
nagasaki (1)
 Data1: Plutonium
 
nagyszeben (2)
 Biography: Franz-Joseph Muller Freiherr von Reichenstein
 Data1: Tellurium
 
nahco3 (2)
 Compounds: Sodium
 Data1: Sodium
 
nai (3)
 Compounds: Iodine
 Compounds: Sodium
 Reactions: Sodium
 
naica (1)
 Country: Mexico
 
nail (1)
 Compounds: Magnesium
 
naked (1)
 Production: Gold
 
name (155)
 Allotrope: Carbon
 Biography: Antoine-Jerome Balard
 Biography: Baron Axel Fredrik Cronstedt
 Biography: Charles Hatchett
 Biography: John Dalton
 Biography: Jöns Jacob Berzelius
 Biography: Joseph Louis Gay-Lussac
 Biography: Lise Meitner
 Biography: Louis Jacques Thenard
 Biography: Louis Nicolas Vauquelin
 Biography: Nils Gabriel Sefstrüm
 Biography: Per Teodor Cleve
 Biography: Robert Wilhelm Bunsen
 Biography: Sir Humphry Davy
 Compounds: Chlorine
 Compounds: Copper
 Compounds: Fluorine
 Compounds: Holmium
 Compounds: Silicon
 Compounds: Sodium
 Country: United Kingdom
 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
 Document: The Transition Metals (Groups 3 to 12)
 Glossary: Actinides
 Glossary: Alloy
 Glossary: Halogens
 Glossary: Lanthanides (old name)
 Glossary: Lanthanoids
 Glossary: Mass Number (A)
 Glossary: pH
 Glossary: Rare Earth Elements
 Glossary: Spontaneous Fission
 Glossary: X-Rays
 Isotope: Hydrogen
 On This Day... 14 May
 Production: Europium
 Production: Lanthanum
 Production: Lithium
 
named (99)
 Allotrope: Carbon
 Allotrope: Oxygen
 Biography: Antoine-Laurent de Lavoisier
 Biography: Clemens Alexander Winkler
 Biography: Dale R. Corson
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Enrico Fermi
 Biography: Ferdinand Reich
 Biography: Georges Urbain
 Biography: Glenn Theodore Seaborg
 Biography: Henry Cavendish
 Biography: Irene Joliot-Curie
 Biography: Johan Gadolin
 Biography: Johann August Arfvedson
 Biography: John William Strutt Rayleigh
 Biography: Joseph Priestley
 Biography: Karl Wilhelm Scheele
 Biography: Marguerite Catherine Perey
 Biography: Martin Heinrich Klaproth
 Biography: Michael Faraday
 Biography: Per Teodor Cleve
 Biography: Pierre Curie
 Biography: Pierre Jules César Janssen
 Biography: Robert Wilhelm Bunsen
 Biography: Sir Humphry Davy
 Biography: Smithson Tennant
 Biography: Walter Noddack
 Biography: William Hyde Wollaston
 Compounds: Dysprosium
 Compounds: Holmium
 Compounds: Terbium
 Country: Russia
 Data1: Aluminium
 Data1: Berkelium
 Data1: Bohrium
 Data1: Cadmium
 Data1: Californium
 Data1: Carbon
 Data1: Cerium
 Data1: Chromium
 Data1: Copper
 Data1: Curium
 Data1: Darmstadtium
 Data1: Dubnium
 Data1: Einsteinium
 Data1: Erbium
 Data1: Francium
 Data1: Gadolinium
 Data1: Gallium
 Data1: Hassium
 Data1: Helium
 Data1: Holmium
 Data1: Indium
 Data1: Iridium
 Data1: Meitnerium
 Data1: Mercury
 Data1: Molybdenum
 Data1: Neptunium
 Data1: Nitrogen
 Data1: Nobelium
 Data1: Oxygen
 Data1: Palladium
 Data1: Plutonium
 Data1: Polonium
 Data1: Radon
 Data1: Rhenium
 Data1: Ruthenium
 Data1: Rutherfordium
 Data1: Samarium
 Data1: Scandium
 Data1: Seaborgium
 Data1: Selenium
 Data1: Strontium
 Data1: Tantalum
 Data1: Technetium
 Data1: Tellurium
 Data1: Terbium
 Data1: Thorium
 Data1: Thulium
 Data1: Titanium
 Data1: Ununbium
 Data1: Uranium
 Data1: Vanadium
 Data1: Ytterbium
 Data1: Yttrium
 Data1: Zirconium
 Document: The Alkaline Earth Metals (Group 2)
 Glossary: Fahrenheit
 Glossary: Goldschmidt Classification
 Glossary: Poisson Ratio
 On This Day... 11 February
 On This Day... 14 September
 On This Day... 18 February
 On This Day... 2 February
 On This Day... 24 December
 On This Day... 26 March
 On This Day... 27 March
 On This Day... 28 February
 Production: Gadolinium
 
namely (1)
 Biography: John Dalton
 
names (11)
 Data1: Bohrium
 Data1: Dubnium
 Data1: Francium
 Data1: Lutetium
 Data1: Plutonium
 Data1: Rutherfordium
 Data1: Terbium
 Data1: Yttrium
 Document: The Alkaline Earth Metals (Group 2)
 Glossary: IUPAC
 Isotope: Hydrogen
 
namibia (3)
 Country: Namibia
 Production: Carbon
 Production: Uranium
 
naming (13)
 Biography: Bernard Courtois
 Biography: Martin Heinrich Klaproth
 Biography: William Gregor
 Data1: Bohrium
 Data1: Dubnium
 Data1: Hassium
 Data1: Lutetium
 Data1: Meitnerium
 Data1: Plutonium
 Data1: Polonium
 Data1: Rutherfordium
 Data1: Seaborgium
 Document:
 
nan3 (3)
 Data1: Nitrogen
 Data2: Copper
 Production: Sodium
 
nano (1)
 Allotrope: Carbon
 
nano2 (1)
 Compounds: Sodium
 
nano3 (2)
 Compounds: Sodium
 Data1: Sodium
 
nanofoam (2)
 Allotrope: Carbon
 Glossary: Allotrope
 
nanogram (2)
 Data1: Fermium
 Production: Technetium
 
nanograms (1)
 Biography: Robert Wilhelm Bunsen
 
nanometers (2)
 Allotrope: Carbon
 Data1: Ytterbium
 
nanometres (1)
 Data1: Helium
 
nanorods (1)
 Allotrope: Carbon
 
nanoseconds (1)
 Isotope: Astatine
 
nanosize (1)
 Data1: Zinc
 
nanosized (3)
 Data1: Indium
 Data1: Iron
 Data1: Zirconium
 
nanotube (2)
 Allotrope: Carbon
 Glossary: Allotrope
 
nanotubes (1)
 Allotrope: Carbon
 
nao3sb (1)
 Data1: Antimony
 
naocl (2)
 Compounds: Chlorine
 Compounds: Sodium
 
naoh (9)
 Data1: Rhodium
 Data1: Uranium
 Document: The Alkali (Group 1) Metals
 Production: Chlorine
 Production: Gallium
 Reactions: Aluminium
 Reactions: Beryllium
 Reactions: Silicon
 Reactions: Sodium
 
naphthalene (1)
 Compounds: Vanadium
 
naples (1)
 Data1: Uranium
 
napoleon (1)
 Production: Aluminium
 
napoleonic (1)
 Biography: Joseph Louis Gay-Lussac
 
nappies (1)
 Compounds: Calcium
 
narcosis (1)
 Data1: Nitrogen
 
narrow (2)
 Biography: Philip Hauge Abelson
 Compounds: Indium
 
narrower (1)
 Glossary: Magnetic Ordering
 
natco4 (1)
 Compounds: Technetium
 
nathaniel (1)
 On This Day... 22 June
 
national (24)
 Allotrope: Carbon
 Biography: Emilio Gino Segre
 Biography: Ferdinand Frederic Henri Moissan
 Biography: Joseph W. Kennedy
 Biography: Walter Noddack
 Compounds: Tantalum
 Country: United States of America
 Data1: Americium
 Data1: Curium
 Data1: Einsteinium
 Data1: Fermium
 Data1: Lawrencium
 Data1: Plutonium
 Data1: Praseodymium
 Data1: Promethium
 Data1: Radon
 Data1: Ununhexium
 Data1: Ununoctium
 Data1: Ununpentium
 Data1: Ununquadium
 Data1: Ununtrium
 Production: Einsteinium
 Production: Lawrencium
 Production: Lead
 
nationalistic (1)
 Biography: Ida Eva Tacke Noddack
 
nations (2)
 Compounds: Phosphorus
 Country: United States of America
 
native (23)
 Biography: (Gabriel) Daniel Fahrenheit
 Biography: Louis Jacques Thenard
 Biography: Sir William Crookes
 Data1: Copper
 Data1: Gallium
 Data1: Gold
 Data1: Mercury
 Data1: Nitrogen
 Data1: Osmium
 Data1: Platinum
 Data1: Polonium
 Data1: Radon
 Production: Antimony
 Production: Arsenic
 Production: Chromium
 Production: Cobalt
 Production: Copper
 Production: Lead
 Production: Mercury
 Production: Platinum
 Production: Silver
 Production: Sulfur
 Production: Tellurium
 
natively (1)
 Data1: Gold
 
natrij (1)
 Names: Sodium
 
natrium (2)
 Data1: Sodium
 Names: Sodium
 
natron (2)
 Data1: Boron
 Data1: Sodium
 
natta (1)
 On This Day... 26 February
 
natural (57)
 Allotrope: Carbon
 Biography: Friedrich Ernst Dorn
 Biography: Institute for Heavy Ion Research (GSI)
 Biography: Jöns Jacob Berzelius
 Biography: Julius Caesar Scaliger
 Biography: Michael Faraday
 Biography: William Hyde Wollaston
 Compounds: Barium
 Compounds: Carbon
 Country: Brazil
 Country: Canada
 Country: China
 Country: Mexico
 Country: Outer space
 Country: United Kingdom
 Country: United States of America
 Data1: Carbon
 Data1: Gadolinium
 Data1: Helium
 Data1: Indium
 Data1: Sodium
 Data1: Sulfur
 Data1: Uranium
 Data1: Ytterbium
 Document: The Halogens (Group 17)
 Equation: Henry's Law
 Glossary: Abundance
 Glossary: Alpha Decay
 Glossary: Electron Volt
 Glossary: Thermal Conductivity
 Isotope: Cobalt
 Isotope: Helium
 Isotope: Iodine
 Isotope: Tungsten
 On This Day... 11 January
 On This Day... 12 January
 On This Day... 21 March
 On This Day... 27 May
 On This Day... 4 December
 Production: Astatine
 Production: Beryllium
 Production: Bismuth
 Production: Boron
 Production: Carbon
 Production: Francium
 Production: Hafnium
 Production: Helium
 Production: Hydrogen
 Production: Iron
 Production: Lithium
 Production: Neptunium
 Production: Plutonium
 Production: Polonium
 Production: Selenium
 Production: Silicon
 Production: Technetium
 Production: Titanium
 
naturalist (2)
 Biography: Julius Caesar Scaliger
 On This Day... 12 January
 
naturalized (1)
 Biography: Emilio Gino Segre
 
naturally (58)
 Allotrope: Sulfur
 Biography: Pierre Curie
 Compounds: Cobalt
 Compounds: Iridium
 Compounds: Osmium
 Compounds: Sodium
 Compounds: Titanium
 Compounds: Zirconium
 Country: Oceans / Seas
 Data1: Aluminium
 Data1: Astatine
 Data1: Bohrium
 Data1: Caesium
 Data1: Californium
 Data1: Chlorine
 Data1: Copper
 Data1: Francium
 Data1: Iridium
 Data1: Osmium
 Data1: Phosphorus
 Data1: Platinum
 Data1: Plutonium
 Data1: Promethium
 Data1: Rhenium
 Data1: Technetium
 Document: The Actinoid Series
 Glossary: Abundance
 Glossary: Actinides
 Glossary: Actinoids
 Glossary: Alkali Metal
 Glossary: Allobar
 Glossary: Atomic Mass
 Glossary: Double Electron Capture
 Glossary: Noble Gasses (inert gasses)
 Glossary: Rare Earth Elements
 Isotope: Californium
 Isotope: Carbon
 Isotope: Hydrogen
 Isotope: Manganese
 Isotope: Tungsten
 On This Day... 6 November
 Production: Astatine
 Production: Boron
 Production: Calcium
 Production: Holmium
 Production: Iodine
 Production: Iridium
 Production: Neptunium
 Production: Osmium
 Production: Plutonium
 Production: Promethium
 Production: Radon
 Production: Rubidium
 Production: Selenium
 Production: Sulfur
 Production: Technetium
 Production: Uranium
 Production: Xenon
 
nature (83)
 Biography: Antoine-Laurent de Lavoisier
 Biography: Emilio Gino Segre
 Biography: Henry Cavendish
 Biography: Jöns Jacob Berzelius
 Biography: Julius Caesar Scaliger
 Biography: Pierre Jules César Janssen
 Compounds: Silicon
 Compounds: Zirconium
 Country: Oceans / Seas
 Data1: Astatine
 Data1: Bismuth
 Data1: Boron
 Data1: Chlorine
 Data1: Chromium
 Data1: Copper
 Data1: Europium
 Data1: Francium
 Data1: Gadolinium
 Data1: Gallium
 Data1: Hafnium
 Data1: Iodine
 Data1: Lead
 Data1: Lithium
 Data1: Neodymium
 Data1: Nitrogen
 Data1: Phosphorus
 Data1: Protactinium
 Data1: Samarium
 Data1: Sodium
 Data1: Technetium
 Data1: Terbium
 Data1: Tungsten
 Data1: Vanadium
 Data1: Xenon
 Data1: Yttrium
 Data1: Zinc
 Data1: Zirconium
 Document: The Alkali (Group 1) Metals
 Document: The Alkaline Earth Metals (Group 2)
 Equation: Avogadro's law
 Glossary: Abundance
 Glossary: Gamma Ray
 Glossary: Lanthanides (old name)
 Glossary: Lanthanoids
 Glossary: pH
 Glossary: Rare Earth Elements
 Isotope: Uranium
 On This Day... 10 December
 On This Day... 15 November
 On This Day... 2 April
 On This Day... 25 December
 On This Day... 25 May
 Production: Arsenic
 Production: Boron
 Production: Bromine
 Production: Chlorine
 Production: Erbium
 Production: Europium
 Production: Gadolinium
 Production: Gallium
 Production: Hafnium
 Production: Hydrogen
 Production: Iridium
 Production: Lead
 Production: Neodymium
 Production: Oxygen
 Production: Phosphorus
 Production: Plutonium
 Production: Polonium
 Production: Potassium
 Production: Rhenium
 Production: Samarium
 Production: Silicon
 Production: Strontium
 Production: Tellurium
 Production: Terbium
 Production: Thallium
 Production: Thulium
 Production: Titanium
 Production: Vanadium
 Production: Yttrium
 Production: Zirconium
 Reactions: Uranium
 
naturelle (1)
 Biography: Ferdinand Frederic Henri Moissan
 
naude (1)
 Biography: Julius Caesar Scaliger
 
nausea (2)
 Compounds: Bismuth
 Compounds: Iron
 
nauseating (1)
 Biography: Robert Wilhelm Bunsen
 
naval (5)
 Biography: Philip Hauge Abelson
 Compounds: Dysprosium
 Compounds: Phosphorus
 Compounds: Terbium
 Data1: Titanium
 
navy (2)
 Biography: Philip Hauge Abelson
 Country: United States of America
 
nazis (1)
 Biography: George Charles de Hevesy
 
nb (17)
 Atomic data: Niobium
 Data1: Dysprosium
 Data1: Erbium
 Data1: Niobium
 Data1: Rhenium
 Data1: Samarium
 Data1: Scandium
 Data1: Terbium
 Data1: Thulium
 Data2: Niobium
 Isotope: Molybdenum
 Isotope: Niobium
 Isotope: Zirconium
 Production: Niobium
 Production: Terbium
 Reactions: Niobium
 Spectrum: Niobium
 
nb+ (1)
 Atomic data: Niobium
 
nb+1 (1)
 Data2: Niobium
 
nb+2 (1)
 Data2: Niobium
 
nb+3 (1)
 Data2: Niobium
 
nb+4 (1)
 Data2: Niobium
 
nb+5 (1)
 Data2: Niobium
 
nb2c (1)
 Compounds: Niobium
 
nb2o5 (1)
 Reactions: Niobium
 
nb2o6 (1)
 Data1: Niobium
 
nb2o6oh (1)
 Production: Niobium
 
nb3+ (1)
 Reactions: Niobium
 
nb3sn (1)
 Compounds: Niobium
 
nbbr5 (1)
 Reactions: Niobium
 
nbc (1)
 Compounds: Niobium
 
nbcl5 (1)
 Reactions: Niobium
 
nbein (1)
 On This Day... 18 October
 
nbf5 (1)
 Reactions: Niobium
 
nbi5 (1)
 Reactions: Niobium
 
nbiii (1)
 Reactions: Niobium
 
nbo (1)
 Reactions: Niobium
 
nbo3+ (1)
 Reactions: Niobium
 
nbo4 (2)
 Data1: Dysprosium
 Production: Dysprosium
 
nbv (1)
 Reactions: Niobium
 
nc (1)
 Data2: Nitrogen
 
ncl3 (1)
 Compounds: Nitrogen
 
nd (57)
 Atomic data: Neodymium
 Biography: Charles Hatchett
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Emilio Gino Segre
 Biography: Frederick Soddy
 Biography: Henry Cavendish
 Biography: Karl Klaus
 Biography: Michael Faraday
 Biography: Nils Gabriel Sefstrüm
 Biography: Pierre Jules César Janssen
 Biography: Sir William Ramsay
 Biography: Smithson Tennant
 Biography: William Hyde Wollaston
 Data1: Dysprosium
 Data1: Erbium
 Data1: Holmium
 Data1: Neodymium
 Data1: Promethium
 Data1: Rhenium
 Data1: Ytterbium
 Isotope: Cerium
 Isotope: Neodymium
 Isotope: Praseodymium
 Isotope: Promethium
 Isotope: Samarium
 On This Day... 2 April
 On This Day... 2 August
 On This Day... 2 December
 On This Day... 2 February
 On This Day... 2 January
 On This Day... 2 July
 On This Day... 2 June
 On This Day... 2 March
 On This Day... 2 May
 On This Day... 2 November
 On This Day... 2 October
 On This Day... 2 September
 On This Day... 22 April
 On This Day... 22 August
 On This Day... 22 December
 On This Day... 22 February
 On This Day... 22 January
 On This Day... 22 July
 On This Day... 22 June
 On This Day... 22 March
 On This Day... 22 May
 On This Day... 22 November
 On This Day... 22 October
 On This Day... 22 September
 Production: Cerium
 Production: Dysprosium
 Production: Lanthanum
 Production: Molybdenum
 Production: Neodymium
 Production: Terbium
 Reactions: Neodymium
 Spectrum: Neodymium
 
nd+ (1)
 Atomic data: Neodymium
 
nd+2 (1)
 Data2: Neodymium
 
nd+3 (1)
 Data2: Neodymium
 
nd+4 (1)
 Data2: Neodymium
 
nd142ce (1)
 Isotope: Praseodymium
 
nd2fe14b (2)
 Compounds: Neodymium
 Data1: Neodymium
 
nd3+ (1)
 Reactions: Neodymium
 
ndbr3 (1)
 Reactions: Neodymium
 
ndcl3 (1)
 Reactions: Neodymium
 
ndf3 (1)
 Reactions: Neodymium
 
ndi3 (1)
 Reactions: Neodymium
 
ne (25)
 Atomic data: Aluminium
 Atomic data: Argon
 Atomic data: Chlorine
 Atomic data: Magnesium
 Atomic data: Neon
 Atomic data: Phosphorus
 Atomic data: Potassium
 Atomic data: Silicon
 Atomic data: Sodium
 Atomic data: Sulfur
 Data1: Dubnium
 Data1: Neon
 Data1: Rutherfordium
 Data2: Aluminium
 Data2: Argon
 Data2: Chlorine
 Data2: Magnesium
 Data2: Phosphorus
 Data2: Silicon
 Data2: Sodium
 Data2: Sulfur
 Isotope: Neon
 Isotope: Sodium
 On This Day... 19 March
 Spectrum: Neon
 
ne+ (2)
 Atomic data: Neon
 Compounds: Neon
 
ne2 (1)
 Data1: Neon
 
ne22 (1)
 Data1: Dubnium
 
near (27)
 Biography: Emilio Gino Segre
 Biography: Joseph Louis Gay-Lussac
 Biography: Michael Faraday
 Biography: Smithson Tennant
 Compounds: Barium
 Compounds: Neodymium
 Compounds: Neon
 Country: Canada
 Country: Outer space
 Country: Russia
 Country: United Kingdom
 Data1: Caesium
 Data1: Erbium
 Data1: Gallium
 Data1: Helium
 Data1: Iridium
 Data1: Lithium
 Data1: Neon
 Data1: Nitrogen
 Data1: Sulfur
 Data1: Technetium
 Data1: Tin
 Data1: Xenon
 Data1: Yttrium
 Glossary: Spontaneous Fission
 Glossary: Thermal Conductivity
 Production: Sulfur
 
nearby (3)
 Compounds: Samarium
 Data1: Titanium
 Glossary: Island of Stability
 
nearer (1)
 Biography: Philip Hauge Abelson
 
nearly (28)
 Biography: Clemens Alexander Winkler
 Biography: Robert Wilhelm Bunsen
 Compounds: Zirconium
 Country: China
 Data1: Aluminium
 Data1: Bismuth
 Data1: Carbon
 Data1: Chlorine
 Data1: Copper
 Data1: Helium
 Data1: Hydrogen
 Data1: Indium
 Data1: Krypton
 Data1: Neon
 Data1: Palladium
 Data1: Ruthenium
 Data1: Thulium
 Data1: Titanium
 Data1: Ytterbium
 Glossary: Proton
 Isotope: Bismuth
 Production: Cadmium
 Production: Hafnium
 Production: Helium
 Production: Indium
 Production: Neptunium
 Production: Plutonium
 Production: Radon
 
nebraska (1)
 Data1: Phosphorus
 
nebula (3)
 Country: Outer space
 Isotope: Magnesium
 Production: Neon
 
necessarily (3)
 Glossary: Liquid
 Glossary: pH
 Production: Hydrogen
 
necessary (10)
 Biography: Robert Wilhelm Bunsen
 Compounds: Sodium
 Data1: Europium
 Data1: Manganese
 Data1: Oxygen
 Data1: Potassium
 Data1: Sodium
 Data1: Zinc
 Glossary: Elecron Work Function
 Glossary: Spontaneous Fission
 
necessitated (1)
 Biography: John William Strutt Rayleigh
 
necks (1)
 Production: Carbon
 
necrosis (1)
 Data1: Phosphorus
 
neculides (1)
 Glossary: Electron Capture
 
nee (2)
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Irene Joliot-Curie
 
needed (21)
 Biography: (Gabriel) Daniel Fahrenheit
 Biography: Irene Joliot-Curie
 Compounds: Chlorine
 Compounds: Helium
 Compounds: Sodium
 Data1: Beryllium
 Data1: Bismuth
 Data1: Calcium
 Data1: Fluorine
 Data1: Helium
 Data1: Sodium
 Data1: Thulium
 Document: Chemical makeup of the human body
 Document: The Alkali (Group 1) Metals
 Document: The Halogens (Group 17)
 Glossary: Enthalpy Change of Vapourisation
 Glossary: Half Life
 Production: Aluminium
 Production: Fluorine
 Production: Gold
 Production: Technetium
 
needle (2)
 Biography: Hans Christian Oersted
 Biography: William Hyde Wollaston
 
needles (2)
 Data1: Iridium
 Data1: Osmium
 
needs (2)
 Data1: Hafnium
 Production: Rhodium
 
neel (1)
 Glossary: Magnetic Ordering
 
nef (1)
 On This Day... 14 June
 
negative (23)
 Allotrope: Carbon
 Biography: (Gabriel) Daniel Fahrenheit
 Biography: Jöns Jacob Berzelius
 Compounds: Hydrogen
 Compounds: Uranium
 Data1: Palladium
 Data1: Rubidium
 Data1: Sodium
 Document: The Halogens (Group 17)
 Equation: Acid dissociation constant
 Equation: Base ionisation constant
 Glossary: Actinides
 Glossary: Alkali Metal
 Glossary: Antimatter
 Glossary: Atomic Charge
 Glossary: Cathode
 Glossary: Ion
 Glossary: Lanthanides (old name)
 Glossary: Oxidation State
 Glossary: Plasma
 Glossary: Poisson Ratio
 On This Day... 18 October
 Production: Aluminium
 
negatively (4)
 Glossary: Anion
 Glossary: Atomic Charge
 Glossary: Beta Particle
 Glossary: Electron
 
negatives (1)
 Biography: Sir Humphry Davy
 
neglected (1)
 Glossary: Spontaneous Fission
 
negligible (2)
 Glossary: Noble Gasses (inert gasses)
 Production: Thorium
 
negra (1)
 Data1: Manganese
 
neh (2)
 Compounds: Neon
 Data1: Neon
 
neighboring (1)
 Glossary: Magnetic Ordering
 
neighbors (2)
 Biography: Ida Eva Tacke Noddack
 Production: Holmium
 
neighbouring (1)
 Glossary: Alloy
 
neighbours (3)
 Data1: Bismuth
 Data1: Terbium
 Glossary: Alloy
 
neil (2)
 On This Day... 20 July
 On This Day... 23 March
 
neils (1)
 Biography: Ida Eva Tacke Noddack
 
neither (4)
 Biography: Julius Caesar Scaliger
 Data1: Molybdenum
 Document: The Halogens (Group 17)
 Glossary: Rare Earth Elements
 
neo (1)
 Names: Neon
 
neodimij (1)
 Names: Neodymium
 
neodimio (1)
 Names: Neodymium
 
neodym (1)
 Names: Neodymium
 
neodyme (1)
 Names: Neodymium
 
neodymium (20)
 Atomic data: Neodymium
 Biography: Carl Auer Baron von Welsbach
 Biography: Carl Gustav Mosander
 Biography: Per Teodor Cleve
 Compounds: Neodymium
 Data1: Lanthanum
 Data1: Neodymium
 Data1: Praseodymium
 Data1: Samarium
 Data2: Neodymium
 Document: Abundance of the Elements in the Solar System
 Document: The Lanthanoid Series
 Glossary: Rare Earth Elements
 Isotope: Neodymium
 MAC data: Neodymium
 Names: Neodymium
 On This Day... 9 September
 Production: Neodymium
 Reactions: Neodymium
 Spectrum: Neodymium
 
neodynium (1)
 Data1: Neodymium
 
neolithic (1)
 Data1: Copper
 
neon (27)
 Atomic data: Neon
 Biography: Morris Travers
 Biography: Sir William Ramsay
 Compounds: Neon
 Compounds: Oxygen
 Country: Outer space
 Data1: Neon
 Data1: Rutherfordium
 Data1: Xenon
 Data2: Neon
 Document: Abundance of the Elements in the Solar System
 Document: The Noble Gases (Group 18)
 Glossary: Noble Gasses (inert gasses)
 Glossary: Periods
 Glossary: Transactinides
 Isotope: Neon
 Isotope: Oxygen
 MAC data: Neon
 Names: Neon
 On This Day... 24 January
 Production: Argon
 Production: Dubnium
 Production: Helium
 Production: Neon
 Production: Rutherfordium
 Reactions: Neon
 Spectrum: Neon
 
neoprene (2)
 Compounds: Magnesium
 On This Day... 14 February
 
neos (2)
 Data1: Neodymium
 Data1: Neon
 
neoytterbia (1)
 Data1: Ytterbium
 
neoytterbium (1)
 Data1: Lutetium
 
nephew (2)
 Biography: Ida Eva Tacke Noddack
 Biography: Lise Meitner
 
neptune (1)
 Data1: Neptunium
 
neptunij (1)
 Names: Neptunium
 
neptunio (1)
 Names: Neptunium
 
neptunium (21)
 Atomic data: Neptunium
 Biography: Edwin Mattison McMillan
 Biography: Philip Hauge Abelson
 Compounds: Neptunium
 Data1: Americium
 Data1: Neptunium
 Data1: Plutonium
 Data1: Rhenium
 Data2: Neptunium
 Document: The Actinoid Series
 Glossary: Actinides
 Glossary: Actinoids
 Isotope: Neptunium
 MAC data: Neptunium
 Names: Neptunium
 On This Day... 8 June
 Production: Bismuth
 Production: Neptunium
 Production: Plutonium
 Reactions: Neptunium
 Spectrum: Neptunium
 
nerve (4)
 Compounds: Chlorine
 Compounds: Phosphorus
 Compounds: Sodium
 Data1: Sodium
 
nervous (4)
 Compounds: Carbon
 Data1: Barium
 Data1: Lead
 Data1: Lithium
 
net (4)
 Country: Outer space
 Glossary: Magnetic Ordering
 Glossary: Oxidation State
 Production: Oxygen
 
netherlands (1)
 Country: Netherlands
 
nettunio (1)
 Names: Neptunium
 
network (3)
 Allotrope: Carbon
 Biography: Robert Wilhelm Bunsen
 Glossary: Allotrope
 
networks (3)
 Biography: Gustav Robert Kirchhoff
 Data1: Germanium
 Glossary: Molecule
 
neue (1)
 Biography: Ida Eva Tacke Noddack
 
neuffer (1)
 On This Day... 3 February
 
neurological (1)
 Data1: Mercury
 
neuromuscular (1)
 Compounds: Magnesium
 
neurotoxic (1)
 Data1: Cobalt
 
neutral (8)
 Compounds: Aluminium
 Glossary: Anti-Neutrino
 Glossary: Base
 Glossary: Isotope
 Glossary: pH
 Glossary: Plasma
 Glossary: Refractory
 Reactions: Helium
 
neutralization (1)
 Glossary: Base
 
neutralized (1)
 Compounds: Silver
 
neutralizing (4)
 Compounds: Plutonium
 Data1: Palladium
 Data1: Rhodium
 Data1: Uranium
 
neutrino (7)
 Biography: Enrico Fermi
 Glossary: Anti-Neutrino
 Glossary: Double Beta Decay
 Glossary: Electron Capture
 Glossary: Electron Emission (Beta- Decay)
 Glossary: Neutrino
 Glossary: Positron Emission (Beta+ Decay)
 
neutrinos (4)
 Glossary: Anti-Neutrino
 Glossary: Double Beta Decay
 Glossary: Double Electron Capture
 Glossary: Neutrino
 
neutron (51)
 Biography: Ida Eva Tacke Noddack
 Biography: Lise Meitner
 Biography: Peter Armbruster
 Compounds: Iodine
 Compounds: Lithium
 Country: Outer space
 Data1: Americium
 Data1: Californium
 Data1: Curium
 Data1: Erbium
 Data1: Fermium
 Data1: Neptunium
 Data1: Polonium
 Data1: Technetium
 Document: The Actinoid Series
 Glossary: Baryon
 Glossary: Double Beta Decay
 Glossary: Doubly Magic
 Glossary: Electron
 Glossary: Electron Capture
 Glossary: Electron Emission (Beta- Decay)
 Glossary: Island of Stability
 Glossary: Neutron
 Glossary: Nucleon
 Glossary: Nucleus
 Glossary: Positron Emission (Beta+ Decay)
 Glossary: Proton
 Glossary: Spontaneous Fission
 Isotope: Beryllium
 Isotope: Boron
 Isotope: Calcium
 Isotope: Helium
 Isotope: Hydrogen
 Isotope: Lithium
 Isotope: Neptunium
 Isotope: Plutonium
 Isotope: Sodium
 Isotope: Thallium
 Isotope: Uranium
 Isotope: Xenon
 On This Day... 17 December
 On This Day... 19 March
 On This Day... 20 October
 Production: Actinium
 Production: Californium
 Production: Curium
 Production: Neptunium
 Production: Plutonium
 Production: Polonium
 Production: Technetium
 Production: Xenon
 
neutroninduced (1)
 On This Day... 22 February
 
neutrons (152)
 Biography: Enrico Fermi
 Biography: Lise Meitner
 Biography: Otto Hahn
 Biography: Philip Hauge Abelson
 Compounds: Lithium
 Data1: Actinium
 Data1: Americium
 Data1: Berkelium
 Data1: Californium
 Data1: Copper
 Data1: Curium
 Data1: Dysprosium
 Data1: Einsteinium
 Data1: Fermium
 Data1: Hafnium
 Data1: Holmium
 Data1: Neptunium
 Data1: Plutonium
 Data1: Promethium
 Data1: Thorium
 Data1: Zirconium
 Glossary:
 Glossary: Alpha Decay
 Glossary: Antimatter
 Glossary: Atom
 Glossary: Atomic Number (Z)
 Glossary: Double Beta Decay
 Glossary: Double Electron Capture
 Glossary: Doubly Magic
 Glossary: Electron Capture
 Glossary: Element
 Glossary: Island of Stability
 Glossary: Isotope
 Glossary: Magic Number
 Glossary: Mass Number (A)
 Glossary: Neutron
 Glossary: Spontaneous Fission
 Isotope: Actinium
 Isotope: Aluminium
 Isotope: Americium
 Isotope: Antimony
 Isotope: Argon
 Isotope: Arsenic
 Isotope: Astatine
 Isotope: Barium
 Isotope: Berkelium
 Isotope: Beryllium
 Isotope: Bismuth
 Isotope: Boron
 Isotope: Bromine
 Isotope: Cadmium
 Isotope: Caesium
 Isotope: Calcium
 Isotope: Californium
 Isotope: Carbon
 Isotope: Cerium
 Isotope: Chlorine
 Isotope: Chromium
 Isotope: Cobalt
 Isotope: Copper
 Isotope: Curium
 Isotope: Dysprosium
 Isotope: Einsteinium
 Isotope: Erbium
 Isotope: Europium
 Isotope: Fermium
 Isotope: Fluorine
 Isotope: Francium
 Isotope: Gadolinium
 Isotope: Gallium
 Isotope: Germanium
 Isotope: Gold
 Isotope: Hafnium
 Isotope: Hassium
 Isotope: Helium
 Isotope: Holmium
 Isotope: Hydrogen
 Isotope: Indium
 Isotope: Iodine
 Isotope: Iridium
 Isotope: Iron
 Isotope: Krypton
 Isotope: Lanthanum
 Isotope: Lead
 Isotope: Lithium
 Isotope: Lutetium
 Isotope: Magnesium
 Isotope: Manganese
 Isotope: Mendelevium
 Isotope: Mercury
 Isotope: Molybdenum
 Isotope: Neodymium
 Isotope: Neon
 Isotope: Neptunium
 Isotope: Nickel
 Isotope: Niobium
 Isotope: Nitrogen
 Isotope: Nobelium
 Isotope: Osmium
 Isotope: Oxygen
 Isotope: Palladium
 Isotope: Phosphorus
 Isotope: Platinum
 Isotope: Plutonium
 Isotope: Polonium
 Isotope: Potassium
 Isotope: Praseodymium
 Isotope: Promethium
 Isotope: Protactinium
 Isotope: Radium
 Isotope: Radon
 Isotope: Rhenium
 Isotope: Rhodium
 Isotope: Rubidium
 Isotope: Ruthenium
 Isotope: Samarium
 Isotope: Scandium
 Isotope: Selenium
 Isotope: Silicon
 Isotope: Silver
 Isotope: Sodium
 Isotope: Strontium
 Isotope: Sulfur
 Isotope: Tantalum
 Isotope: Technetium
 Isotope: Tellurium
 Isotope: Terbium
 Isotope: Thallium
 Isotope: Thorium
 Isotope: Thulium
 Isotope: Tin
 Isotope: Titanium
 Isotope: Tungsten
 Isotope: Uranium
 Isotope: Vanadium
 Isotope: Xenon
 Isotope: Ytterbium
 Isotope: Yttrium
 Isotope: Zinc
 Isotope: Zirconium
 On This Day... 23 September
 On This Day... 28 March
 On This Day... 4 January
 Production: Americium
 Production: Berkelium
 Production: Curium
 Production: Einsteinium
 Production: Fermium
 Production: Francium
 Production: Plutonium
 Production: Polonium
 Production: Technetium
 
nevada (3)
 Country: United States of America
 Production: Gold
 Production: Lithium
 
never (46)
 Biography: Robert Wilhelm Bunsen
 Compounds: Chlorine
 Data1: Aluminium
 Data1: Barium
 Data1: Boron
 Data1: Calcium
 Data1: Chlorine
 Data1: Dysprosium
 Data1: Europium
 Data1: Gadolinium
 Data1: Lead
 Data1: Lutetium
 Data1: Manganese
 Data1: Neodymium
 Data1: Phosphorus
 Data1: Radium
 Data1: Roentgenium
 Data1: Ruthenium
 Data1: Samarium
 Data1: Sodium
 Data1: Terbium
 Data1: Ununbium
 Data1: Ununpentium
 Data1: Ununtrium
 Data1: Vanadium
 Data1: Yttrium
 Data1: Zirconium
 Document: The Alkali (Group 1) Metals
 Glossary: Kelvin (absolute temperature)
 Production: Copper
 Production: Dysprosium
 Production: Erbium
 Production: Europium
 Production: Gadolinium
 Production: Lutetium
 Production: Neodymium
 Production: Niobium
 Production: Potassium
 Production: Samarium
 Production: Scandium
 Production: Terbium
 Production: Thulium
 Production: Vanadium
 Production: Yttrium
 Production: Zirconium
 Reactions: Ununseptium
 
nevertheless (2)
 Biography: Antoine-Laurent de Lavoisier
 Production: Aluminium
 
newall (1)
 Data1: Argon
 
newer (2)
 Data1: Europium
 Production: Thulium
 
newfoundland (1)
 Data1: Phosphorus
 
newington (1)
 Biography: Michael Faraday
 
newlands (2)
 On This Day... 26 November
 On This Day... 7 February
 
newly (11)
 Biography: Baron Axel Fredrik Cronstedt
 Biography: Martin Heinrich Klaproth
 Biography: Morris Travers
 Biography: Per Teodor Cleve
 Compounds: Iron
 Data1: Francium
 Data1: Plutonium
 Data1: Uranium
 Document: The Noble Gases (Group 18)
 Glossary: IUPAC
 Isotope: Iodine
 
news (1)
 Biography: Sir William Crookes
 
newton (1)
 On This Day... 25 December
 
newtonian (1)
 Biography: Joseph Louis Gay-Lussac
 
next (15)
 Biography: Ferdinand Frederic Henri Moissan
 Biography: Irene Joliot-Curie
 Biography: John William Strutt Rayleigh
 Biography: Julius Caesar Scaliger
 Biography: Otto Hahn
 Biography: Philip Hauge Abelson
 Biography: Robert Wilhelm Bunsen
 Data1: Neptunium
 Data1: Nobelium
 Document: Understanding Electron Configuration Tables
 Glossary: Island of Stability
 Isotope: Iridium
 Production: Lithium
 Production: Thorium
 Production: Uranium
 
ng (1)
 Production: Rhodium
 
nh (2)
 Data1: Thulium
 Reactions: Nitrogen
 
nh2 (1)
 Compounds: Nitrogen
 
nh2cl (1)
 Compounds: Nitrogen
 
nh3 (19)
 Compounds: Ruthenium
 Data1: Chlorine
 Data1: Hydrogen
 Data1: Iodine
 Data2: Bromine
 Data2: Chlorine
 Data2: Iodine
 Data2: Lithium
 Data2: Mercury
 Data2: Potassium
 Data2: Rubidium
 Data2: Silver
 Data2: Sodium
 Reactions: Cadmium
 Reactions: Cobalt
 Reactions: Copper
 Reactions: Nickel
 Reactions: Nitrogen
 Reactions: Zinc
 
nh4 (2)
 Compounds: Cerium
 Data1: Sodium
 
nh4+ (1)
 Reactions: Nitrogen
 
nh4br (1)
 Compounds: Bromine
 
nh4cl (1)
 Data1: Rhodium
 
nh4i (1)
 Compounds: Iodine
 
nh4no3 (3)
 Data2: Cadmium
 Data2: Cobalt
 Data2: Vanadium
 
nh4reo4 (1)
 Production: Rhenium
 
ni (15)
 Atomic data: Nickel
 Compounds: Nickel
 Country: Outer space
 Country: South Africa
 Data1: Nickel
 Data1: Roentgenium
 Data1: Ruthenium
 Data2: Nickel
 Glossary: Doubly Magic
 Isotope: Cobalt
 Isotope: Nickel
 Production: Nickel
 Production: Platinum
 Reactions: Nickel
 Spectrum: Nickel
 
ni+ (1)
 Atomic data: Nickel
 
ni+1 (1)
 Data2: Nickel
 
ni+2 (1)
 Data2: Nickel
 
ni+3 (1)
 Data2: Nickel
 
ni+4 (1)
 Data2: Nickel
 
ni+6 (1)
 Data2: Nickel
 
ni0 (1)
 Data2: Nickel
 
ni2+ (1)
 Reactions: Nickel
 
ni2o3 (1)
 Reactions: Nickel
 
ni3 (3)
 Compounds: Iodine
 Compounds: Nitrogen
 Data1: Iodine
 
ni3o4 (1)
 Reactions: Nickel
 
niagara (1)
 Production: Phosphorus
 
nias (1)
 Data1: Nickel
 
nibr2 (1)
 Reactions: Nickel
 
nibs (2)
 Compounds: Iridium
 Compounds: Osmium
 
nicaragua (1)
 Country: Nicaragua
 
niccolite (2)
 Biography: Baron Axel Fredrik Cronstedt
 Data1: Nickel
 
niccolum (1)
 Names: Nickel
 
nice (1)
 Biography: Henry Cavendish
 
nichel (1)
 Names: Nickel
 
nick (1)
 Data1: Nickel
 
nickel (72)
 Atomic data: Nickel
 Biography: Baron Axel Fredrik Cronstedt
 Compounds: Hafnium
 Compounds: Nickel
 Compounds: Titanium
 Country: Australia
 Country: Austria
 Country: Botswana
 Country: Brazil
 Country: Canada
 Country: China
 Country: Colombia
 Country: Cuba
 Country: Democratic Republic of Congo
 Country: Dominican Republic
 Country: Finland
 Country: France
 Country: Greece
 Country: Indonesia
 Country: Japan
 Country: New Caledonia
 Country: Norway
 Country: Outer space
 Country: Philippines
 Country: Russia
 Country: South Africa
 Country: Spain
 Country: Turkey
 Country: Ukraine
 Country: United Kingdom
 Country: Venezuela
 Country: Zimbabwe
 Data1: Barium
 Data1: Cadmium
 Data1: Darmstadtium
 Data1: Fluorine
 Data1: Gold
 Data1: Nickel
 Data1: Niobium
 Data1: Osmium
 Data1: Palladium
 Data1: Rhodium
 Data1: Roentgenium
 Data1: Selenium
 Data1: Zinc
 Data2: Nickel
 Document: Abundance of the Elements in the Solar System
 Document: Chemical makeup of the human body
 Glossary: Doubly Magic
 Glossary: Magnetic Ordering
 Isotope: Nickel
 MAC data: Nickel
 Names: Nickel
 On This Day... 23 December
 On This Day... 3 August
 On This Day... 9 September
 Production: Arsenic
 Production: Cobalt
 Production: Darmstadtium
 Production: Fluorine
 Production: Hydrogen
 Production: Iridium
 Production: Iron
 Production: Nickel
 Production: Osmium
 Production: Palladium
 Production: Platinum
 Production: Rhodium
 Production: Roentgenium
 Production: Silver
 Reactions: Nickel
 Spectrum: Nickel
 
nickeliferous (1)
 Production: Nickel
 
nicl2 (1)
 Reactions: Nickel
 
nicolas (7)
 Biography: Louis Jacques Thenard
 Biography: Louis Nicolas Vauquelin
 Data1: Chromium
 Data1: Iodine
 On This Day... 13 January
 On This Day... 14 November
 On This Day... 16 May
 
nicolaus (1)
 Data1: Ununbium
 
niels (5)
 Biography: George Charles de Hevesy
 Data1: Bohrium
 Data1: Hafnium
 On This Day... 26 January
 On This Day... 7 October
 
nielsbohrium (2)
 Data1: Bohrium
 Data1: Dubnium
 
nier (1)
 On This Day... 4 January
 
nieuwland (1)
 On This Day... 14 February
 
nigari (1)
 Compounds: Magnesium
 
niger (2)
 Country: Niger
 Production: Uranium
 
nigeria (6)
 Country: Nigeria
 Data1: Niobium
 Data1: Tantalum
 Data1: Tin
 Production: Niobium
 Production: Tantalum
 
night (2)
 Data1: Germanium
 Glossary: Air
 
nights (1)
 Isotope: Polonium
 
nigrum (1)
 Data1: Lead
 
nii2 (1)
 Reactions: Nickel
 
nikal (1)
 Names: Nickel
 
nikitichna (1)
 Biography: Dmitriy Ivanovich Mendeleyev
 
nikkel (1)
 Names: Nickel
 
nikl (1)
 Names: Nickel
 
nikolai (2)
 On This Day... 27 March
 On This Day... 6 February
 
nile (1)
 Biography: John William Strutt Rayleigh
 
nils (5)
 Biography: Nils Gabriel Sefstrüm
 Data1: Helium
 Data1: Vanadium
 On This Day... 2 June
 On This Day... 29 June
 
nilson (6)
 Biography: Lars Nilson
 Biography: Per Teodor Cleve
 Biography: Robert Wilhelm Bunsen
 Data1: Scandium
 Data1: Titanium
 On This Day... 27 May
 
nine (5)
 Biography: Joseph Louis Gay-Lussac
 Biography: Julius Caesar Scaliger
 Biography: Pierre Jules César Janssen
 Data1: Meitnerium
 Production: Uranium
 
ninety (1)
 Data1: Iron
 
ninov (1)
 Data1: Ununhexium
 
ninth (4)
 Country: Outer space
 Data1: Mendelevium
 Data1: Titanium
 Production: Titanium
 
nio (2)
 Glossary: Magnetic Ordering
 Reactions: Nickel
 
nio2 (1)
 Reactions: Nickel
 
nio42 (1)
 Reactions: Nickel
 
niob (1)
 Names: Niobium
 
niobe (2)
 Data1: Niobium
 Data1: Tantalum
 
niobic (1)
 Data1: Tantalum
 
niobij (1)
 Names: Niobium
 
niobio (1)
 Names: Niobium
 
niobium (25)
 Atomic data: Niobium
 Biography: Charles Hatchett
 Biography: Ferdinand Frederic Henri Moissan
 Compounds: Niobium
 Compounds: Zirconium
 Country: Brazil
 Country: Canada
 Data1: Hafnium
 Data1: Niobium
 Data1: Tantalum
 Data1: Technetium
 Data1: Zirconium
 Data2: Niobium
 Document: Abundance of the Elements in the Solar System
 Document: Chemical makeup of the human body
 Isotope: Niobium
 MAC data: Niobium
 Names: Niobium
 On This Day... 2 January
 On This Day... 26 November
 Production: Niobium
 Production: Tantalum
 Reactions: Dubnium
 Reactions: Niobium
 Spectrum: Niobium
 
niosh (1)
 Data1: Cobalt
 
nippon (2)
 Data1: Rhenium
 Data1: Technetium
 
nipponium (2)
 Data1: Rhenium
 Data1: Technetium
 
niquel (1)
 Names: Nickel
 
nis (2)
 Data1: Nickel
 Reactions: Nickel
 
nisard (1)
 Biography: Julius Caesar Scaliger
 
nist (1)
 Glossary: Temperature
 
nitens (1)
 Data1: Radon
 
niter (3)
 Data1: Iodine
 Data1: Oxygen
 Data1: Sodium
 
niton (1)
 Data1: Radon
 
nitramide (1)
 On This Day... 22 February
 
nitrate (26)
 Compounds: Aluminium
 Compounds: Barium
 Compounds: Cerium
 Compounds: Lead
 Compounds: Lithium
 Compounds: Nitrogen
 Compounds: Potassium
 Compounds: Silver
 Compounds: Sodium
 Compounds: Strontium
 Data1: Barium
 Data1: Lanthanum
 Data1: Neodymium
 Data1: Nitrogen
 Data1: Potassium
 Data1: Sodium
 Data1: Sulfur
 Data2: Cadmium
 Data2: Cobalt
 Data2: Nickel
 Data2: Vanadium
 Data2: Zirconium
 Production: Caesium
 Production: Thorium
 Reactions: Lead
 Reactions: Mercury
 
nitrated (1)
 On This Day... 17 July
 
nitrates (4)
 Biography: Sir Humphry Davy
 Data1: Lanthanum
 Data1: Nitrogen
 On This Day... 2 February
 
nitrating (1)
 Compounds: Aluminium
 
nitre (2)
 Compounds: Nitrogen
 On This Day... 2 February
 
nitric (37)
 Allotrope: Carbon
 Allotrope: Phosphorus
 Biography: Robert Wilhelm Bunsen
 Compounds: Nitrogen
 Compounds: Plutonium
 Compounds: Potassium
 Compounds: Sodium
 Compounds: Sulfur
 Data1: Iridium
 Data1: Lanthanum
 Data1: Neodymium
 Data1: Rhodium
 Data1: Scandium
 Data1: Uranium
 Data2: Fluorine
 Data2: Uranium
 Glossary: Acid
 Glossary: Aqua regia
 Reactions: Antimony
 Reactions: Beryllium
 Reactions: Bismuth
 Reactions: Boron
 Reactions: Carbon
 Reactions: Chromium
 Reactions: Copper
 Reactions: Gold
 Reactions: Iodine
 Reactions: Iridium
 Reactions: Iron
 Reactions: Lead
 Reactions: Mercury
 Reactions: Niobium
 Reactions: Polonium
 Reactions: Rhenium
 Reactions: Silver
 Reactions: Technetium
 Reactions: Zinc
 
nitride (18)
 Compounds: Aluminium
 Compounds: Boron
 Compounds: Rhenium
 Compounds: Silicon
 Compounds: Tantalum
 Compounds: Titanium
 Compounds: Zirconium
 Data1: Boron
 Data1: Magnesium
 Data1: Zirconium
 On This Day... 12 December
 Reactions: Barium
 Reactions: Beryllium
 Reactions: Calcium
 Reactions: Lithium
 Reactions: Manganese
 Reactions: Strontium
 Reactions: Titanium
 
nitrides (2)
 Biography: Ferdinand Frederic Henri Moissan
 Reactions: Silicon
 
nitrite (2)
 Compounds: Silver
 Compounds: Sodium
 
nitrites (2)
 Compounds: Oxygen
 Data1: Nitrogen
 
nitrocellulose (2)
 On This Day... 17 July
 On This Day... 7 September
 
nitrogen (74)
 Allotrope: Arsenic
 Atomic data: Nitrogen
 Biography: Daniel Rutherford
 Biography: John Dalton
 Biography: John William Strutt Rayleigh
 Biography: Karl Wilhelm Scheele
 Biography: Michael Faraday
 Biography: Philip Hauge Abelson
 Biography: Sir Humphry Davy
 Compounds: Barium
 Compounds: Hydrogen
 Compounds: Iodine
 Compounds: Nitrogen
 Compounds: Plutonium
 Country: Outer space
 Data1: Argon
 Data1: Boron
 Data1: Chlorine
 Data1: Dubnium
 Data1: Helium
 Data1: Iodine
 Data1: Lanthanum
 Data1: Lithium
 Data1: Magnesium
 Data1: Nitrogen
 Data1: Yttrium
 Data2: Dysprosium
 Data2: Nitrogen
 Document: Abundance of the Elements in the Solar System
 Document: Chemical makeup of the human body
 Document: The Noble Gases (Group 18)
 Glossary: Air
 Glossary: Element
 Glossary: Molecule
 Glossary: Noble Gasses (inert gasses)
 Glossary: Positron Emission (Beta+ Decay)
 Glossary: Pyrophoric
 Isotope: Beryllium
 Isotope: Helium
 Isotope: Nitrogen
 MAC data: Nitrogen
 Names: Nitrogen
 On This Day... 10 January
 On This Day... 11 March
 On This Day... 12 February
 On This Day... 13 December
 On This Day... 2 February
 On This Day... 20 January
 On This Day... 21 September
 On This Day... 27 October
 On This Day... 28 October
 On This Day... 3 February
 On This Day... 9 December
 Production: Argon
 Production: Helium
 Production: Nitrogen
 Reactions: Bromine
 Reactions: Carbon
 Reactions: Chlorine
 Reactions: Cobalt
 Reactions: Fluorine
 Reactions: Iodine
 Reactions: Krypton
 Reactions: Lead
 Reactions: Lithium
 Reactions: Manganese
 Reactions: Mercury
 Reactions: Nitrogen
 Reactions: Oxygen
 Reactions: Plutonium
 Reactions: Silicon
 Reactions: Tellurium
 Reactions: Titanium
 Spectrum: Nitrogen
 
nitrogenase (1)
 Production: Hydrogen
 
nitrogenases (1)
 Data1: Molybdenum
 
nitrogenio (1)
 Names: Nitrogen
 
nitrogenium (2)
 Data1: Nitrogen
 Names: Nitrogen
 
nitrogeno (1)
 Names: Nitrogen
 
nitrogenous (1)
 Production: Nitrogen
 
nitrogens (1)
 Data1: Nitrogen
 
nitroglycerin (1)
 Compounds: Nitrogen
 
nitroglycerine (1)
 Compounds: Lead
 
nitron (1)
 Data1: Nitrogen
 
nitrosamine (1)
 Compounds: Sodium
 
nitrosamines (1)
 Compounds: Sodium
 
nitrous (5)
 Biography: Sir Humphry Davy
 Compounds: Nitrogen
 Compounds: Sulfur
 On This Day... 11 December
 On This Day... 16 April
 
nitrum (1)
 Data1: Nitrogen
 
nitschke (1)
 Data1: Seaborgium
 
nk (1)
 Glossary: Temperature
 
nm (6)
 Biography: Pierre Jules César Janssen
 Compounds: Aluminium
 Compounds: Fluorine
 Compounds: Oxygen
 Compounds: Sulfur
 Data1: Technetium
 
nmr (1)
 Isotope: Hydrogen
 
nn (1)
 Data2: Nitrogen
 
no+2 (1)
 Data2: Nobelium
 
no+3 (1)
 Data2: Nobelium
 
no2 (3)
 Compounds: Nitrogen
 Compounds: Plutonium
 Reactions: Nitrogen
 
no3 (10)
 Compounds: Aluminium
 Compounds: Barium
 Compounds: Cerium
 Compounds: Lead
 Compounds: Plutonium
 Compounds: Strontium
 Data1: Barium
 Reactions: Cerium
 Reactions: Mercury
 Reactions: Nitrogen
 
nobel (85)
 Allotrope: Carbon
 Biography: Edwin Mattison McMillan
 Biography: Emilio Gino Segre
 Biography: Enrico Fermi
 Biography: Ferdinand Frederic Henri Moissan
 Biography: Frederick Soddy
 Biography: George Charles de Hevesy
 Biography: Glenn Theodore Seaborg
 Biography: Irene Joliot-Curie
 Biography: John William Strutt Rayleigh
 Biography: Lise Meitner
 Biography: Marie Curie (Marya Sklodowska)
 Biography: Otto Hahn
 Biography: Pierre Curie
 Biography: Sir William Ramsay
 Data1: Chlorine
 Data1: Fermium
 Data1: Fluorine
 Data1: Nobelium
 Glossary: Antiproton
 On This Day... 1 June
 On This Day... 1 November
 On This Day... 10 December
 On This Day... 10 July
 On This Day... 12 August
 On This Day... 12 September
 On This Day... 13 August
 On This Day... 14 April
 On This Day... 14 February
 On This Day... 14 March
 On This Day... 15 December
 On This Day... 15 May
 On This Day... 16 August
 On This Day... 16 June
 On This Day... 16 September
 On This Day... 18 June
 On This Day... 19 July
 On This Day... 19 June
 On This Day... 19 March
 On This Day... 19 November
 On This Day... 2 July
 On This Day... 20 April
 On This Day... 20 July
 On This Day... 20 October
 On This Day... 21 April
 On This Day... 21 July
 On This Day... 21 March
 On This Day... 21 October
 On This Day... 22 March
 On This Day... 22 May
 On This Day... 23 August
 On This Day... 23 January
 On This Day... 23 March
 On This Day... 24 March
 On This Day... 25 April
 On This Day... 26 February
 On This Day... 27 March
 On This Day... 27 November
 On This Day... 28 August
 On This Day... 29 April
 On This Day... 29 July
 On This Day... 29 November
 On This Day... 3 December
 On This Day... 3 October
 On This Day... 30 October
 On This Day... 31 January
 On This Day... 31 May
 On This Day... 31 October
 On This Day... 4 September
 On This Day... 5 December
 On This Day... 5 July
 On This Day... 5 November
 On This Day... 6 July
 On This Day... 6 May
 On This Day... 7 June
 On This Day... 7 November
 On This Day... 7 October
 On This Day... 8 April
 On This Day... 8 August
 On This Day... 8 June
 On This Day... 9 December
 On This Day... 9 July
 On This Day... 9 May
 On This Day... 9 November
 Production: Fluorine
 
nobelij (1)
 Names: Nobelium
 
nobelio (1)
 Names: Nobelium
 
nobelium (14)
 Atomic data: Nobelium
 Biography: Albert Ghiorso
 Biography: Glenn Theodore Seaborg
 Compounds: Nobelium
 Data1: Nobelium
 Data2: Nobelium
 Document: The Actinoid Series
 Isotope: Nobelium
 MAC data: Nobelium
 Names: Nobelium
 On This Day... 5 May
 Production: Nobelium
 Reactions: Nobelium
 Spectrum: Nobelium
 
noble (27)
 Biography: Jöns Jacob Berzelius
 Compounds: Argon
 Compounds: Krypton
 Compounds: Neon
 Compounds: Oxygen
 Country: Outer space
 Data1: Argon
 Data1: Helium
 Data1: Krypton
 Data1: Mercury
 Data1: Neon
 Data1: Radon
 Data1: Ununoctium
 Data1: Xenon
 Document: The Halogens (Group 17)
 Document: The Noble Gases (Group 18)
 Glossary: Group
 Glossary: Halogens
 Glossary: Inert
 Glossary: Noble Gasses (inert gasses)
 Glossary: Non-Metals
 Isotope: Krypton
 On This Day... 23 March
 Production: Iridium
 Production: Radon
 Production: Xenon
 Reactions: Helium
 
nobleman (2)
 Biography: Antoine-Laurent de Lavoisier
 On This Day... 26 August
 
noddack (6)
 Biography: Ida Eva Tacke Noddack
 Biography: Walter Noddack
 Data1: Rhenium
 Data1: Technetium
 On This Day... 17 August
 On This Day... 25 February
 
nodular (1)
 Data1: Lanthanum
 
nodule (1)
 Production: Thallium
 
nodules (4)
 Country: Oceans / Seas
 Data1: Manganese
 Production: Manganese
 Production: Thallium
 
noise (2)
 Compounds: Arsenic
 Compounds: Gallium
 
nol (2)
 Compounds: Dysprosium
 Compounds: Terbium
 
nollet (1)
 On This Day... 19 November
 
nomenclature (2)
 Biography: Antoine-Laurent de Lavoisier
 Document: The Halogens (Group 17)
 
nominally (2)
 Data1: Iron
 Production: Iron
 
nominated (1)
 Biography: Robert Wilhelm Bunsen
 
nonbattery (1)
 Data1: Lead
 
nonbonded (1)
 Glossary: van der Waals radius
 
noncombustible (2)
 Data2: Bromine
 Data2: Mercury
 
noncovalent (1)
 Compounds: Hydrogen
 
none (25)
 Biography: Julius Caesar Scaliger
 Biography: Morris Travers
 Compounds: Thulium
 Data1: Astatine
 Data1: Bohrium
 Data1: Darmstadtium
 Data1: Dubnium
 Data1: Fermium
 Data1: Hassium
 Data1: Lawrencium
 Data1: Meitnerium
 Data1: Roentgenium
 Data1: Seaborgium
 Data1: Thulium
 Data1: Ununbium
 Data1: Ununhexium
 Data1: Ununoctium
 Data1: Ununpentium
 Data1: Ununquadium
 Data1: Ununseptium
 Data1: Ununtrium
 Glossary: Island of Stability
 Production: Thulium
 Production: Uranium
 Reactions: Carbon
 
nonetheless (1)
 Data1: Lutetium
 
nonexistent (1)
 Production: Plutonium
 
nonirritating (1)
 Data1: Tantalum
 
nonluminous (1)
 Biography: Robert Wilhelm Bunsen
 
nonmagnetic (1)
 Data2: Dysprosium
 
nonmetal (1)
 Glossary: Ionic bonds
 
nonmetals (8)
 Document: The Actinoid Series
 Document: The Lanthanoid Series
 Glossary: Covalent bonds
 Glossary: Halogens
 Glossary: Lanthanides (old name)
 Glossary: Lanthanoids
 Glossary: Metalloids
 Glossary: Non-Metals
 
nonnegligible (1)
 Glossary: Spontaneous Fission
 
nonreactive (1)
 Glossary: Noble Gasses (inert gasses)
 
nonreactivity (1)
 Glossary: Noble Gasses (inert gasses)
 
nontoxic (2)
 Data1: Bismuth
 Data1: Fluorine
 
nontrivial (1)
 Equation: Avogadro's law
 
noodles (1)
 Compounds: Sodium
 
norfolk (1)
 Biography: William Hyde Wollaston
 
norilsk (3)
 Country: Russia
 Production: Nickel
 Production: Palladium
 
normal (48)
 Allotrope: Carbon
 Compounds: Helium
 Country: Outer space
 Data1: Helium
 Data1: Phosphorus
 Data1: Tellurium
 Data1: Titanium
 Document: The Noble Gases (Group 18)
 Glossary: Antimatter
 Glossary: Carcinogen
 Glossary: Group
 Glossary: Magnetic Ordering
 Glossary: Noble Gasses (inert gasses)
 Glossary: Poisson Ratio
 Glossary: Speed of Sound
 Isotope: Helium
 Isotope: Hydrogen
 Production: Rhodium
 Production: Technetium
 Reactions: Argon
 Reactions: Arsenic
 Reactions: Boron
 Reactions: Carbon
 Reactions: Copper
 Reactions: Gold
 Reactions: Hafnium
 Reactions: Helium
 Reactions: Iridium
 Reactions: Lead
 Reactions: Manganese
 Reactions: Mercury
 Reactions: Molybdenum
 Reactions: Neon
 Reactions: Nickel
 Reactions: Niobium
 Reactions: Nitrogen
 Reactions: Osmium
 Reactions: Oxygen
 Reactions: Rhenium
 Reactions: Ruthenium
 Reactions: Silicon
 Reactions: Silver
 Reactions: Tantalum
 Reactions: Technetium
 Reactions: Tellurium
 Reactions: Titanium
 Reactions: Vanadium
 Reactions: Zirconium
 
normally (15)
 Allotrope: Plutonium
 Country: Outer space
 Data1: Helium
 Data1: Rhodium
 Data1: Tantalum
 Document: The Noble Gases (Group 18)
 Glossary: Acid
 Glossary: Atom
 Glossary: Desiccant
 Glossary: Gamma Ray
 Glossary: Liquid
 Glossary: Magic Number
 Glossary: Noble Gasses (inert gasses)
 Production: Ytterbium
 Reactions: Platinum
 
norman (4)
 Biography: Pierre Jules César Janssen
 Data1: Helium
 Data1: Plutonium
 On This Day... 23 March
 
normandy (2)
 Biography: Bernard Courtois
 Data1: Iodine
 
norrish (2)
 On This Day... 9 May
 On This Day... 9 November
 
norse (1)
 Data1: Thorium
 
north (22)
 Compounds: Chlorine
 Country: Canada
 Country: Democratic Republic of Congo
 Country: United States of America
 Data1: Gold
 Data1: Lead
 Data1: Niobium
 Data1: Osmium
 Data1: Radium
 Data1: Rhodium
 Data1: Samarium
 Data1: Titanium
 Isotope: Krypton
 Production: Astatine
 Production: Lead
 Production: Osmium
 Production: Palladium
 Production: Phosphorus
 Production: Radon
 Production: Rhodium
 Production: Ruthenium
 Production: Titanium
 
northern (9)
 Biography: Dmitriy Ivanovich Mendeleyev
 Country: Chile
 Country: United Kingdom
 Data1: Carbon
 Data1: Copper
 Isotope: Krypton
 On This Day... 24 January
 Production: Carbon
 Production: Europium
 
northumberland (1)
 Biography: Joseph Priestley
 
norway (7)
 Country: Madagascar
 Country: Norway
 Data1: Hafnium
 Data1: Molybdenum
 Data1: Thorium
 Data1: Yttrium
 Production: Titanium
 
norwegian (120)
 Data1: Cobalt
 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
 On This Day... 13 November
 
nose (3)
 Compounds: Carbon
 Data1: Scandium
 Data1: Zinc
 
nosecones (1)
 Allotrope: Carbon
 
notable (107)
 Biography: Johann August Arfvedson
 Data1: Francium
 Glossary: Thermal Conductivity
 Isotope: Actinium
 Isotope: Aluminium
 Isotope: Americium
 Isotope: Antimony
 Isotope: Argon
 Isotope: Arsenic
 Isotope: Astatine
 Isotope: Barium
 Isotope: Berkelium
 Isotope: Beryllium
 Isotope: Bismuth
 Isotope: Boron
 Isotope: Bromine
 Isotope: Cadmium
 Isotope: Caesium
 Isotope: Calcium
 Isotope: Californium
 Isotope: Carbon
 Isotope: Cerium
 Isotope: Chlorine
 Isotope: Chromium
 Isotope: Cobalt
 Isotope: Copper
 Isotope: Curium
 Isotope: Dysprosium
 Isotope: Einsteinium
 Isotope: Erbium
 Isotope: Europium
 Isotope: Fermium
 Isotope: Fluorine
 Isotope: Francium
 Isotope: Gadolinium
 Isotope: Gallium
 Isotope: Germanium
 Isotope: Gold
 Isotope: Hafnium
 Isotope: Hassium
 Isotope: Helium
 Isotope: Holmium
 Isotope: Hydrogen
 Isotope: Indium
 Isotope: Iodine
 Isotope: Iridium
 Isotope: Iron
 Isotope: Krypton
 Isotope: Lanthanum
 Isotope: Lead
 Isotope: Lithium
 Isotope: Lutetium
 Isotope: Magnesium
 Isotope: Manganese
 Isotope: Mendelevium
 Isotope: Mercury
 Isotope: Molybdenum
 Isotope: Neodymium
 Isotope: Neon
 Isotope: Neptunium
 Isotope: Nickel
 Isotope: Niobium
 Isotope: Nitrogen
 Isotope: Nobelium
 Isotope: Osmium
 Isotope: Oxygen
 Isotope: Palladium
 Isotope: Phosphorus
 Isotope: Platinum
 Isotope: Plutonium
 Isotope: Polonium
 Isotope: Potassium
 Isotope: Praseodymium
 Isotope: Promethium
 Isotope: Protactinium
 Isotope: Radium
 Isotope: Radon
 Isotope: Rhenium
 Isotope: Rhodium
 Isotope: Rubidium
 Isotope: Ruthenium
 Isotope: Samarium
 Isotope: Scandium
 Isotope: Selenium
 Isotope: Silicon
 Isotope: Silver
 Isotope: Sodium
 Isotope: Strontium
 Isotope: Sulfur
 Isotope: Tantalum
 Isotope: Technetium
 Isotope: Tellurium
 Isotope: Terbium
 Isotope: Thallium
 Isotope: Thorium
 Isotope: Thulium
 Isotope: Tin
 Isotope: Titanium
 Isotope: Tungsten
 Isotope: Uranium
 Isotope: Vanadium
 Isotope: Xenon
 Isotope: Ytterbium
 Isotope: Yttrium
 Isotope: Zinc
 Isotope: Zirconium
 Production: Rubidium
 
notably (6)
 Compounds: Indium
 Compounds: Molybdenum
 Data1: Caesium
 Isotope: Caesium
 Production: Carbon
 Reactions: Iridium
 
notation (1)
 Production: Astatine
 
note (7)
 Data1: Indium
 Document: Understanding Electron Configuration Tables
 Equation: Henry's Law
 Glossary: Alpha Decay
 Glossary: Electron Capture
 Glossary: Emission Spectrum
 Glossary: Island of Stability
 
notebook (2)
 Biography: John Dalton
 Biography: Sir Humphry Davy
 
noted (15)
 Allotrope: Carbon
 Biography: Charles Hatchett
 Biography: Frederick Soddy
 Compounds: Boron
 Compounds: Rhenium
 Compounds: Sodium
 Data1: Cadmium
 Data1: Iodine
 Data1: Manganese
 Data1: Oxygen
 Data1: Rutherfordium
 Data1: Sodium
 Data1: Technetium
 Data1: Thorium
 Data1: Zirconium
 
notes (176)
 Biography: Michael Faraday
 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: 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: 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: 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: Ununseptium
 Data1: Ununtrium
 Data1: Uranium
 Data1: Vanadium
 Data1: Xenon
 Data1: Ytterbium
 Data1: Yttrium
 Data1: Zinc
 Data1: Zirconium
 Isotope: Actinium
 Isotope: Astatine
 Isotope: Barium
 Isotope: Berkelium
 Isotope: Bismuth
 Isotope: Bohrium
 Isotope: Californium
 Isotope: Curium
 Isotope: Darmstadtium
 Isotope: Dubnium
 Isotope: Einsteinium
 Isotope: Fermium
 Isotope: Francium
 Isotope: Hassium
 Isotope: Helium
 Isotope: Hydrogen
 Isotope: Iodine
 Isotope: Lawrencium
 Isotope: Manganese
 Isotope: Meitnerium
 Isotope: Mendelevium
 Isotope: Neptunium
 Isotope: Nobelium
 Isotope: Plutonium
 Isotope: Polonium
 Isotope: Promethium
 Isotope: Protactinium
 Isotope: Radium
 Isotope: Radon
 Isotope: Roentgenium
 Isotope: Rutherfordium
 Isotope: Seaborgium
 Isotope: Technetium
 Isotope: Thorium
 Isotope: Tin
 Isotope: Tungsten
 Isotope: Ununbium
 Isotope: Ununhexium
 Isotope: Ununoctium
 Isotope: Ununpentium
 Isotope: Ununquadium
 Isotope: Ununseptium
 Isotope: Ununtrium
 Isotope: Uranium
 Spectrum: Bohrium
 Spectrum: Darmstadtium
 Spectrum: Dubnium
 Spectrum: Fermium
 Spectrum: Hassium
 Spectrum: Lawrencium
 Spectrum: Meitnerium
 Spectrum: Mendelevium
 Spectrum: Nobelium
 Spectrum: Roentgenium
 Spectrum: Rutherfordium
 Spectrum: Seaborgium
 Spectrum: Ununbium
 Spectrum: Ununhexium
 Spectrum: Ununoctium
 Spectrum: Ununpentium
 Spectrum: Ununquadium
 Spectrum: Ununseptium
 Spectrum: Ununtrium
 
nothing (5)
 Country: Germany
 Country: United Kingdom
 Glossary: Atomic Charge
 Glossary: Oxidation State
 On This Day... 5 January
 
notice (3)
 Data1: Plutonium
 Document: Understanding Electron Configuration Tables
 On This Day... 15 April
 
noticeable (2)
 Biography: Robert Wilhelm Bunsen
 Glossary: Air
 
noticeably (1)
 Glossary: Magnetic Ordering
 
noticed (8)
 Biography: Bernard Courtois
 Biography: Pierre Jules César Janssen
 Biography: Sir William Crookes
 Data1: Francium
 Data1: Helium
 Data1: Holmium
 Data1: Magnesium
 Data1: Titanium
 
notified (1)
 Data1: Scandium
 
noting (2)
 Data1: Uranium
 Production: Cadmium
 
notions (1)
 Glossary: Temperature
 
notoriously (1)
 Data1: Phosphorus
 
nottingham (119)
 On This Day... 17 April
 S1
 S10
 S100
 S101
 S102
 S103
 S104
 S105
 S106
 S107
 S108
 S109
 S11
 S110
 S111
 S112
 S113
 S114
 S115
 S116
 S117
 S118
 S12
 S13
 S14
 S15
 S16
 S17
 S18
 S19
 S2
 S20
 S21
 S22
 S23
 S24
 S25
 S26
 S27
 S28
 S29
 S3
 S30
 S31
 S32
 S33
 S34
 S35
 S36
 S37
 S38
 S39
 S4
 S40
 S41
 S42
 S43
 S44
 S45
 S46
 S47
 S48
 S49
 S5
 S50
 S51
 S52
 S53
 S54
 S55
 S56
 S57
 S58
 S59
 S6
 S60
 S61
 S62
 S63
 S64
 S65
 S66
 S67
 S68
 S69
 S7
 S70
 S71
 S72
 S73
 S74
 S75
 S76
 S77
 S78
 S79
 S8
 S80
 S81
 S82
 S83
 S84
 S85
 S86
 S87
 S88
 S89
 S9
 S90
 S91
 S92
 S93
 S94
 S95
 S96
 S97
 S98
 S99
 
novel (2)
 Allotrope: Carbon
 On This Day... 5 December
 
november (49)
 Biography: Charles Hatchett
 Biography: Daniel Rutherford
 Biography: Enrico Fermi
 Biography: Georges Urbain
 Biography: Hieronymous Theodor Richter
 Biography: John William Strutt Rayleigh
 Biography: Lise Meitner
 Biography: Louis Nicolas Vauquelin
 Biography: Marie Curie (Marya Sklodowska)
 Biography: Nils Gabriel Sefstrüm
 Biography: Robert Wilhelm Bunsen
 Biography: Smithson Tennant
 Data1: Darmstadtium
 Data1: Einsteinium
 Data1: Fermium
 Data1: Iodine
 Data1: Polonium
 Data1: Roentgenium
 On This Day... 1 November
 On This Day... 10 November
 On This Day... 11 November
 On This Day... 12 November
 On This Day... 13 November
 On This Day... 14 November
 On This Day... 15 November
 On This Day... 16 November
 On This Day... 17 November
 On This Day... 18 November
 On This Day... 19 November
 On This Day... 2 November
 On This Day... 20 November
 On This Day... 21 November
 On This Day... 22 November
 On This Day... 23 November
 On This Day... 24 November
 On This Day... 25 November
 On This Day... 26 November
 On This Day... 27 November
 On This Day... 28 November
 On This Day... 29 November
 On This Day... 3 November
 On This Day... 30 November
 On This Day... 4 November
 On This Day... 5 November
 On This Day... 6 November
 On This Day... 7 November
 On This Day... 8 November
 On This Day... 9 November
 Production: Einsteinium
 
nox (1)
 Compounds: Nitrogen
 
noyori (1)
 On This Day... 1 June
 
nozzles (1)
 Data1: Tungsten
 
np (8)
 Data1: Neptunium
 Data1: Rhenium
 Isotope: Americium
 Isotope: Neptunium
 On This Day... 8 June
 Production: Neptunium
 Production: Plutonium
 Spectrum: Neptunium
 
np+2 (1)
 Data2: Neptunium
 
np+3 (1)
 Data2: Neptunium
 
np+4 (1)
 Data2: Neptunium
 
np+5 (1)
 Data2: Neptunium
 
np+6 (1)
 Data2: Neptunium
 
np+7 (1)
 Data2: Neptunium
 
np3o8 (1)
 Reactions: Neptunium
 
npbr3 (1)
 Reactions: Neptunium
 
npcl4 (1)
 Reactions: Neptunium
 
npf3 (2)
 Production: Neptunium
 Reactions: Neptunium
 
npf4 (1)
 Reactions: Neptunium
 
npi3 (1)
 Reactions: Neptunium
 
npo2 (1)
 Reactions: Neptunium
 
nppd5al2 (1)
 Compounds: Neptunium
 
nrel (1)
 Data1: Tellurium
 
nrt (1)
 Glossary: Ideal Gas
 
ns (14)
 Biography: Carl Gustav Mosander
 Biography: Johann August Arfvedson
 Biography: Jöns Jacob Berzelius
 Data1: Bohrium
 Data1: Boron
 Data1: Cerium
 Data1: Ruthenium
 Data1: Selenium
 Data1: Sodium
 Data1: Tantalum
 Data1: Thorium
 Data1: Zirconium
 On This Day... 20 August
 On This Day... 22 February
 
nsi (1)
 Compounds: Silicon
 
nsted (1)
 On This Day... 22 February
 
nt (1)
 Data1: Radon
 
ntgen (1)
 On This Day... 27 March
 
nth (1)
 Glossary: Ionization Potential
 
ntilde (1)
 Country: Mexico
 
nubia (1)
 Data1: Gold
 
nuclear (123)
 Biography: Albert Ghiorso
 Biography: Arthur Jeffrey Dempster
 Biography: Emilio Gino Segre
 Biography: Glenn Theodore Seaborg
 Biography: Gottfried Münzenberg
 Biography: Ida Eva Tacke Noddack
 Biography: Institute for Heavy Ion Research (GSI)
 Biography: John Dalton
 Biography: Lise Meitner
 Biography: Otto Hahn
 Biography: Peter Armbruster
 Biography: Philip Hauge Abelson
 Compounds: Boron
 Compounds: Hafnium
 Compounds: Iodine
 Compounds: Lithium
 Compounds: Niobium
 Compounds: Tantalum
 Compounds: Zirconium
 Country: Outer space
 Data1: Americium
 Data1: Bohrium
 Data1: Boron
 Data1: Cadmium
 Data1: Californium
 Data1: Carbon
 Data1: Darmstadtium
 Data1: Dubnium
 Data1: Dysprosium
 Data1: Einsteinium
 Data1: Fluorine
 Data1: Helium
 Data1: Holmium
 Data1: Hydrogen
 Data1: Indium
 Data1: Iodine
 Data1: Lithium
 Data1: Meitnerium
 Data1: Neptunium
 Data1: Niobium
 Data1: Plutonium
 Data1: Polonium
 Data1: Promethium
 Data1: Radon
 Data1: Roentgenium
 Data1: Ruthenium
 Data1: Rutherfordium
 Data1: Samarium
 Data1: Seaborgium
 Data1: Sodium
 Data1: Strontium
 Data1: Tantalum
 Data1: Technetium
 Data1: Thorium
 Data1: Ununbium
 Data1: Ununhexium
 Data1: Ununoctium
 Data1: Ununpentium
 Data1: Ununquadium
 Data1: Ununtrium
 Data1: Uranium
 Data1: Zirconium
 Document: The Actinoid Series
 Glossary: Abundance
 Glossary: Actinides
 Glossary: Actinoids
 Glossary: Alpha Decay
 Glossary: Anti-Neutrino
 Glossary: Atomic Mass
 Glossary: Decay Energy
 Glossary: Double Electron Capture
 Glossary: Electron Volt
 Glossary: Gamma Ray
 Glossary: Island of Stability
 Glossary: Magic Number
 Glossary: Neutrino
 Glossary: Positron Emission (Beta+ Decay)
 Glossary: Spontaneous Fission
 Isotope: Argon
 Isotope: Barium
 Isotope: Beryllium
 Isotope: Boron
 Isotope: Caesium
 Isotope: Chlorine
 Isotope: Helium
 Isotope: Hydrogen
 Isotope: Iodine
 Isotope: Krypton
 Isotope: Lithium
 Isotope: Nickel
 Isotope: Oxygen
 Isotope: Plutonium
 Isotope: Sodium
 Isotope: Strontium
 Isotope: Technetium
 Isotope: Thallium
 Isotope: Thulium
 Isotope: Uranium
 Isotope: Xenon
 On This Day... 12 December
 On This Day... 15 July
 On This Day... 17 December
 On This Day... 19 March
 On This Day... 2 December
 On This Day... 22 February
 On This Day... 26 January
 On This Day... 8 June
 Production: Actinium
 Production: Einsteinium
 Production: Fluorine
 Production: Francium
 Production: Helium
 Production: Neptunium
 Production: Palladium
 Production: Plutonium
 Production: Polonium
 Production: Radon
 Production: Rhodium
 Production: Ruthenium
 Production: Technetium
 Production: Uranium
 Production: Xenon
 Reactions: Uranium
 
nucleated (1)
 Compounds: Calcium
 
nuclei (44)
 Biography: Gottfried Münzenberg
 Biography: Lise Meitner
 Compounds: Iodine
 Compounds: Nitrogen
 Data1: Bohrium
 Data1: Darmstadtium
 Data1: Dubnium
 Data1: Lawrencium
 Data1: Meitnerium
 Data1: Mendelevium
 Data1: Nobelium
 Data1: Polonium
 Data1: Rutherfordium
 Data1: Ununbium
 Data1: Ununpentium
 Data1: Ununtrium
 Document: The Transition Metals (Groups 3 to 12)
 Glossary: Alpha Decay
 Glossary: Atomic Radius
 Glossary: Double Beta Decay
 Glossary: Doubly Magic
 Glossary: Island of Stability
 Glossary: Magic Number
 Glossary: Neutron
 Glossary: Nucleus
 Glossary: Proton
 Isotope: Helium
 Isotope: Hydrogen
 Isotope: Potassium
 Isotope: Uranium
 Production: Berkelium
 Production: Bohrium
 Production: Californium
 Production: Curium
 Production: Dubnium
 Production: Hassium
 Production: Helium
 Production: Meitnerium
 Production: Mendelevium
 Production: Neptunium
 Production: Plutonium
 Production: Polonium
 Production: Rutherfordium
 Production: Seaborgium
 
nucleic (3)
 On This Day... 16 September
 On This Day... 21 March
 Production: Nitrogen
 
nucleon (4)
 Glossary: Island of Stability
 Glossary: Magic Number
 Glossary: Mass Number (A)
 Glossary: Nucleon
 
nucleons (5)
 Glossary: Baryon
 Glossary: Double Electron Capture
 Glossary: Magic Number
 Glossary: Mass Number (A)
 Isotope: Helium
 
nucleosynthesis (5)
 Country: Outer space
 Data1: Technetium
 Isotope: Helium
 Isotope: Lithium
 Production: Helium
 
nucleus (37)
 Biography: Andre Louis Debierne
 Biography: Ida Eva Tacke Noddack
 Biography: Lise Meitner
 Data1: Helium
 Data1: Meitnerium
 Glossary:
 Glossary: Alpha Decay
 Glossary: Atom
 Glossary: Atomic mass unit (amu, u)
 Glossary: Atomic Number (Z)
 Glossary: Beta Particle
 Glossary: Cosmogenic isotope
 Glossary: Double Beta Decay
 Glossary: Double Electron Capture
 Glossary: Electron
 Glossary: Electron Capture
 Glossary: Energy Levels
 Glossary: Gamma Ray
 Glossary: Island of Stability
 Glossary: Isometric Transition
 Glossary: Magic Number
 Glossary: Mass Number (A)
 Glossary: Nucleon
 Glossary: Nucleus
 Glossary: Periods
 Glossary: Spontaneous Fission
 Glossary: Transactinides
 Isotope: Helium
 Isotope: Hydrogen
 Isotope: Oxygen
 Isotope: Plutonium
 Isotope: Uranium
 On This Day... 18 June
 On This Day... 30 August
 Production: Roentgenium
 Production: Technetium
 Production: Ununbium
 
nuclide (4)
 Data1: Dubnium
 Glossary: Double Electron Capture
 Glossary: Electron Capture
 Glossary: Nucleus
 
nuclides (3)
 Glossary: Cosmogenic isotope
 Glossary: Double Electron Capture
 Glossary: Isotope
 
nuggets (1)
 Compounds: Sodium
 
numbed (1)
 Glossary: Group
 
number (89)
 Allotrope: Carbon
 Allotrope: Sulfur
 Biography: Antoine-Laurent de Lavoisier
 Biography: Dmitriy Ivanovich Mendeleyev
 Biography: Enrico Fermi
 Biography: Ferdinand Frederic Henri Moissan
 Biography: Glenn Theodore Seaborg
 Biography: Henry Cavendish
 Biography: Ida Eva Tacke Noddack
 Biography: Irene Joliot-Curie
 Biography: John Dalton
 Biography: Jöns Jacob Berzelius
 Biography: Joseph Priestley
 Biography: Marguerite Catherine Perey
 Biography: Philip Hauge Abelson
 Compounds: Chlorine
 Compounds: Silicon
 Compounds: Sodium
 Compounds: Tin
 Compounds: Titanium
 Country: Oceans / Seas
 Data1: Carbon
 Data1: Francium
 Data1: Hydrogen
 Data1: Lead
 Data1: Plutonium
 Data1: Promethium
 Data1: Seaborgium
 Data1: Selenium
 Data1: Technetium
 Data1: Tin
 Document: Abundance of the Elements in the Solar System
 Document: The Alkali (Group 1) Metals
 Document: The Lanthanoid Series
 Document: Understanding Electron Configuration Tables
 Equation: Avogadro's law
 Equation: Ideal gas law
 Equation: Molar heat capacity
 Equation: Number of moles
 Equation: Van der Waals equation
 Glossary: Abundance
 Glossary: Allotrope
 Glossary: Alpha Decay
 Glossary: Atomic Charge
 Glossary: Atomic Number (Z)
 Glossary: Avogadro's Constant
 Glossary: Baryon
 Glossary: Double Beta Decay
 Glossary: Double Electron Capture
 Glossary: Doubly Magic
 Glossary: Electron
 Glossary: Electron Capture
 Glossary: Element
 Glossary: Energy Levels
 Glossary: Group
 Glossary: Halogens
 Glossary: Island of Stability
 Glossary: Isotope
 Glossary: Lanthanides (old name)
 Glossary: Lanthanoids
 Glossary: Magic Number
 Glossary: Mass Number (A)
 Glossary: Mole
 Glossary: Neutron
 Glossary: Noble Gasses (inert gasses)
 Glossary: Periodic Law
 Glossary: Periodic Table
 Glossary: Periods
 Glossary: pH
 Glossary: Proton
 Glossary: Thermal Conductivity
 Glossary: Transactinides
 Glossary: Vickers Hardness
 Isotope: Tin
 Isotope: Uranium
 On This Day... 10 May
 On This Day... 15 March
 On This Day... 31 January
 On This Day... 9 August
 Production: Astatine
 Production: Caesium
 Production: Cerium
 Production: Gold
 Production: Indium
 Production: Radon
 Production: Selenium
 Production: Technetium
 Production: Yttrium
 Reactions: Helium
 
numbered (3)
 Glossary: Group
 Production: Holmium
 Production: Uranium
 
numbering (1)
 Glossary: Group
 
numbers (12)
 Biography: John Dalton
 Biography: Michael Faraday
 Biography: Sir Humphry Davy
 Glossary: CAS
 Glossary: Doubly Magic
 Glossary: Element
 Glossary: Group
 Glossary: Island of Stability
 Glossary: Isotope
 Glossary: Magic Number
 On This Day... 27 March
 Production: Astatine
 
numerals (2)
 Glossary: Group
 Glossary: Oxidation State
 
numeric (1)
 Glossary: Young's Modulus
 
numerically (1)
 Glossary: Mole
 
numerous (10)
 Biography: Hans Christian Oersted
 Biography: Julius Caesar Scaliger
 Biography: Louis Jacques Thenard
 Compounds: Chlorine
 Compounds: Copper
 Compounds: Iodine
 Compounds: Lithium
 Compounds: Neodymium
 Document: The Actinoid Series
 On This Day... 15 March
 
nuovo (1)
 Biography: Julius Caesar Scaliger
 
nurmia (2)
 Data1: Rutherfordium
 Data1: Seaborgium
 
nurse (2)
 Biography: Irene Joliot-Curie
 Biography: Lise Meitner
 
nutrients (1)
 Data1: Aluminium
 
nutrition (2)
 Data1: Potassium
 Data1: Sodium
 
nutritional (1)
 Compounds: Phosphorus
 
nylon (2)
 Compounds: Lead
 Compounds: Molybdenum
 
nzenberg (7)
 Biography: Gottfried Münzenberg
 Data1: Bohrium
 Data1: Darmstadtium
 Data1: Hassium
 Data1: Meitnerium
 Data1: Roentgenium
 On This Day... 17 March