Elements Listed by Discovery Date
Name Sym Atomic #
Known to the Ancients
Antimony Sb 51
Bismuth Bi 83
Carbon C 6
Copper Cu 29
Gold Au 79
Iron Fe 26
Lead Pb 82
Mercury Hg 80
Silver Ag 47
Sulfur S 16
Tin Sn 50
1250
Arsenic As 33
1669
Phosphorus P 15
1735
Platinum Pt 78
1737
Cobalt Co 27
1746
Zinc Zn 30
1751
Nickel Ni 28
1766
Hydrogen H 1
1772
Nitrogen N 7
1774
Chlorine Cl 17
Manganese Mn 25
Oxygen O 8
1778
Molybdenum Mo 42
1782
Tellurium Te 52
1783
Tungsten W 74
1789
Uranium U 92
Zirconium Zr 40
1790
Strontium Sr 38
1791
Titanium Ti 22
1794
Yttrium Y 39
1797
Chromium Cr 24
1798
Beryllium Be 4
1801
Niobium Nb 41
1802
Tantalum Ta 73
1803
Cerium Ce 58
Palladium Pd 46
Rhodium Rh 45
1804
Iodine I 53
Iridium Ir 77
Osmium Os 76
1807
Potassium K 19
Sodium Na 11
1808
Barium Ba 56
Calcium Ca 20
Magnesium Mg 12
1817
Cadmium Cd 48
Lithium Li 3
Selenium Se 34
1823
Silicon Si 14
1825
Aluminium Al 13
1826
Bromine Br 35
1828
Boron B 5
Thorium Th 90
1830
Vanadium V 23
1839
Lanthanum La 57
1843
Erbium Er 68
Terbium Tb 65
1844
Ruthenium Ru 44
1860
Cesium Cs 55
1861
Rubidium Rb 37
Thallium Tl 81
1863
Indium In 49
1875
Gallium Ga 31
1878
Holmium Ho 67
Ytterbium Yb 70
1879
Samarium Sm 62
Scandium Sc 21
Thulium Tm 69
1880
Gadolinium Gd 64
1885
Praseodymium Pr 59
1886
Dysprosium Dy 66
Fluorine F 9
Germanium Ge 32
1894
Argon Ar 18
1895
Helium He 2
1898
Krypton Kr 36
Neon Ne 10
Polonium Po 84
Radium Ra 88
Radon Rn 86
Xenon Xe 54
1899
Actinium Ac 89
1901
Europium Eu 63
1907
Lutetium Lu 71
1917
Protactinium Pa 91
1923
Hafnium Hf 72
1925
Neodymium Nd 60
Rhenium Re 75
1937
Technetium Tc 43
1939
Francium Fr 87
1940
Astatine At 85
Neptunium Np 93
Plutonium Pu 94
1944
Curium Cm 96
1945
Americium Am 95
Promethium Pm 61
1949
Berkelium Bk 97
1950
Californium Cf 98
1952
Einsteinium Es 99
1953
Fermium Fm 100
1955
Mendelevium Md 101
1957
Nobelium No 102
1961
Lawrencium Lr 103
1969
Rutherfordium Rf 104
1970
Dubnium Db 105
1974
Seaborgium Sg 106
1976
Bohrium Bh 107
1982
Meitnerium Mt 109
1984
Hassium Hs 108
1994
Darmstadtium Ds 110
Roentgenium Rg 111
1996
Ununbium Uub 112
1999
Ununquadium Uuq 114
2000
Ununhexium Uuh 116
2004
Ununtrium Uut 113
Ununpentium Uup 114
2006
Ununoctium Uuo 118