Year
|
Element
|
~9000 BCE
|
Copper
|
~7000 BCE
|
Lead
|
~6000 BCE
|
Gold
|
~5000 BCE
|
Iron
|
Silver
|
~3750 BCE
|
Carbon
|
~3500 BCE
|
Tin
|
~2000 BCE
|
Sulfur
|
~1500 BCE
|
Mercury
|
~1000 BCE
|
Zinc
|
~815 CE
|
Arsenic
|
Antimony
|
|
Year
|
Element
|
~1000
|
Bismuth
|
1669
|
Phosphorus
|
1735
|
Cobalt
|
1735
|
Platinum
|
1751
|
Nickel
|
1766
|
Hydrogen
|
1772
|
Nitrogen
|
1774
|
Chlorine
|
Manganese
|
1777
|
Oxygen
|
1781
|
Molybdenum
|
1782
|
Tellurium
|
1783
|
Tungsten
|
1797
|
Chromium
|
1802
|
Palladium
|
Tantalum
|
1803
|
Iridium
|
Osmium
|
|
Year
|
Element
|
1804
|
Rhodium
|
1807
|
Potassium
|
Sodium
|
1808
|
Barium
|
Boron
|
Calcium
|
Magnesium
|
Strontium
|
1811
|
Iodine
|
1817
|
Cadmium
|
Selenium
|
1821
|
Lithium
|
1823
|
Silicon
|
1824
|
Aluminium
|
Zirconium
|
|
Year
|
Element
|
1825
|
Bromine
|
Titanium
|
1828
|
Beryllium
|
1841
|
Uranium
|
1842
|
Lanthanum
|
1843
|
Yttrium
|
1844
|
Ruthenium
|
1861
|
Rubidium
|
1862
|
Thallium
|
1864
|
Niobium
|
1867
|
Indium
|
Vanadium
|
1875
|
Cerium
|
Gallium
|
1879
|
Erbium
|
|
Year
|
Element
|
1879
|
Holmium
|
1879
|
Samarium
|
1879
|
Scandium
|
1879
|
Thulium
|
1885
|
Neodymium
|
Praseodymium
|
Thorium
|
1886
|
Fluorine
|
Gadolinium
|
Germanium
|
Terbium
|
1882
|
Caesium
|
1894
|
Argon
|
1895
|
Helium
|
1898
|
Krypton
|
|
Year
|
Element
|
1898
|
Neon
|
1898
|
Xenon
|
1901
|
Europium
|
1902
|
Polonium
|
Radium
|
1903
|
Actinium
|
1906
|
Lutetium
|
1907
|
Ytterbium
|
1909
|
Radon
|
1922
|
Hafnium
|
1927
|
Protactinium
|
1928
|
Rhenium
|
1937
|
Technetium
|
1939
|
Francium
|
1940
|
Astatine
|
|
Year
|
Element
|
1940
|
Neptunium
|
1941
|
Plutonium
|
1944
|
Americium
|
Curium
|
1945
|
Promethium
|
1949
|
Berkelium
|
1950
|
Californium
|
~1950
|
Dysprosium
|
1952
|
Einsteinium
|
Fermium
|
1955
|
Mendelevium
|
1961
|
Lawrencium
|
1966
|
Nobelium
|
1969
|
Rutherfordium
|
|
Year
|
Element
|
1970
|
Dubnium
|
1974
|
Seaborgium
|
1981
|
Bohrium
|
1982
|
Meitnerium
|
1984
|
Hassium
|
1994
|
Darmstadtium
|
Roentgenium
|
1996
|
Copernicium
|
1999
|
Flerovium
|
2000
|
Livermorium
|
2002
|
Oganesson
|
2003
|
Moscovium
|
2004
|
Nihonium
|
2009
|
Tennessine
|
|