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Element Discovery Timeline
Element Discovery Timeline
From ancient metals to synthetic superheavy elements — explore the history of chemical discoveries
All eras
Ancient Times
(10)
1600s
(2)
1700s
(20)
1800s
(50)
1900s
(31)
2000s
(5)
Elements:
118
Ancient Times
C
Carbon
ancient
S
Sulfur
ancient
Fe
Iron
ancient
Cu
Copper
ancient
Ag
Silver
ancient
Sn
Tin
ancient
Sb
Antimony
ancient
Au
Gold
ancient
Hg
Mercury
ancient
Pb
Lead
ancient
1600s
As
Arsenic
1250
Discovered by:
Albertus Magnus
P
Phosphorus
1669
Discovered by:
Hennig Brand
1700s
Co
Cobalt
1735
Discovered by:
Georg Brandt
Pt
Platinum
1735
Discovered by:
Antonio de Ulloa
Zn
Zinc
1746
Discovered by:
Andreas Sigismund Marggraf
Ni
Nickel
1751
Discovered by:
Axel Fredrik Cronstedt
Bi
Bismuth
1753
Discovered by:
Claude François Geoffroy
H
Hydrogen
1766
Discovered by:
Henry Cavendish
N
Nitrogen
1772
Discovered by:
Daniel Rutherford
O
Oxygen
1774
Discovered by:
Joseph Priestley, Carl Wilhelm Scheele
Cl
Chlorine
1774
Discovered by:
Carl Wilhelm Scheele
Mn
Manganese
1774
Discovered by:
Johan Gottlieb Gahn
Mo
Molybdenum
1781
Discovered by:
Peter Jacob Hjelm
Te
Tellurium
1782
Discovered by:
Franz-Joseph Müller von Reichenstein
W
Tungsten
1783
Discovered by:
Juan José Elhuyar, Fausto Elhuyar
Zr
Zirconium
1789
Discovered by:
Martin Heinrich Klaproth
U
Uranium
1789
Discovered by:
Martin Heinrich Klaproth
Sr
Strontium
1790
Discovered by:
Adair Crawford
Ti
Titanium
1791
Discovered by:
William Gregor
Y
Yttrium
1794
Discovered by:
Johan Gadolin
Cr
Chromium
1797
Discovered by:
Louis Nicolas Vauquelin
Be
Beryllium
1798
Discovered by:
Louis Nicolas Vauquelin
1800s
V
Vanadium
1801
Discovered by:
Andrés Manuel del Río
Nb
Niobium
1801
Discovered by:
Charles Hatchett
Ta
Tantalum
1802
Discovered by:
Anders Gustaf Ekeberg
Rh
Rhodium
1803
Discovered by:
William Hyde Wollaston
Pd
Palladium
1803
Discovered by:
William Hyde Wollaston
Ce
Cerium
1803
Discovered by:
Jöns Jacob Berzelius, Wilhelm Hisinger, Martin Heinrich Klaproth
Os
Osmium
1803
Discovered by:
Smithson Tennant
Ir
Iridium
1803
Discovered by:
Smithson Tennant
Na
Sodium
1807
Discovered by:
Humphry Davy
K
Potassium
1807
Discovered by:
Humphry Davy
B
Boron
1808
Discovered by:
Humphry Davy, Joseph Louis Gay-Lussac, Louis Jacques Thénard
Mg
Magnesium
1808
Discovered by:
Humphry Davy
Ca
Calcium
1808
Discovered by:
Humphry Davy
Ba
Barium
1808
Discovered by:
Humphry Davy
I
Iodine
1811
Discovered by:
Bernard Courtois
Li
Lithium
1817
Discovered by:
Johan August Arfwedson
Se
Selenium
1817
Discovered by:
Jöns Jacob Berzelius, Johan Gottlieb Gahn
Cd
Cadmium
1817
Discovered by:
Friedrich Stromeyer, Karl Samuel Leberecht Hermann
Si
Silicon
1824
Discovered by:
Jöns Jacob Berzelius
Al
Aluminum
1825
Discovered by:
Hans Christian Ørsted
Br
Bromine
1826
Discovered by:
Antoine Jérôme Balard, Carl Jacob Löwig
Th
Thorium
1829
Discovered by:
Jöns Jacob Berzelius
La
Lanthanum
1839
Discovered by:
Carl Gustaf Mosander
Tb
Terbium
1843
Discovered by:
Carl Gustaf Mosander
Er
Erbium
1843
Discovered by:
Carl Gustaf Mosander
Ru
Ruthenium
1844
Discovered by:
Karl Ernst Claus
Cs
Cesium
1860
Discovered by:
Robert Bunsen, Gustav Kirchhoff
Rb
Rubidium
1861
Discovered by:
Robert Bunsen, Gustav Kirchhoff
Tl
Thallium
1861
Discovered by:
William Crookes
In
Indium
1863
Discovered by:
Ferdinand Reich, Hieronymous Theodor Richter
He
Helium
1868
Discovered by:
Pierre Janssen, Joseph Norman Lockyer
Ga
Gallium
1875
Discovered by:
Paul Emile Lecoq de Boisbaudran
Ho
Holmium
1878
Discovered by:
Marc Delafontaine, Jacques-Louis Soret
Yb
Ytterbium
1878
Discovered by:
Jean Charles Galissard de Marignac
Sc
Scandium
1879
Discovered by:
Lars Fredrik Nilson
Sm
Samarium
1879
Discovered by:
Paul Emile Lecoq de Boisbaudran
Tm
Thulium
1879
Discovered by:
Per Teodor Cleve
Gd
Gadolinium
1880
Discovered by:
Jean Charles Galissard de Marignac
Pr
Praseodymium
1885
Discovered by:
Carl Auer von Welsbach
Nd
Neodymium
1885
Discovered by:
Carl Auer von Welsbach
F
Fluorine
1886
Discovered by:
Henri Moissan
Ge
Germanium
1886
Discovered by:
Clemens Winkler
Dy
Dysprosium
1886
Discovered by:
Paul Emile Lecoq de Boisbaudran
Ar
Argon
1894
Discovered by:
Lord Rayleigh, William Ramsay
Ne
Neon
1898
Discovered by:
William Ramsay, Morris Travers
Kr
Krypton
1898
Discovered by:
William Ramsay, Morris Travers
Xe
Xenon
1898
Discovered by:
William Ramsay, Morris Travers
Po
Polonium
1898
Discovered by:
Marie Curie, Pierre Curie
Ra
Radium
1898
Discovered by:
Marie Curie, Pierre Curie
Ac
Actinium
1899
Discovered by:
André-Louis Debierne
1900s
Rn
Radon
1900
Discovered by:
Friedrich Ernst Dorn
Eu
Europium
1901
Discovered by:
Eugène-Anatole Demarçay
Lu
Lutetium
1907
Discovered by:
Georges Urbain, Carl Auer von Welsbach, Charles James
Pa
Protactinium
1913
Discovered by:
Kasimir Fajans, Oswald Helmuth Göhring
Hf
Hafnium
1923
Discovered by:
Dirk Coster, George de Hevesy
Re
Rhenium
1925
Discovered by:
Masataka Ogawa, Walter Noddack, Ida Noddack, Otto Berg
Tc
Technetium
1937
Discovered by:
Carlo Perrier, Emilio Segrè
Fr
Francium
1939
Discovered by:
Marguerite Perey
At
Astatine
1940
Discovered by:
Dale R. Corson, Kenneth Ross MacKenzie, Emilio Segrè
Np
Neptunium
1940
Discovered by:
Edwin McMillan, Philip Abelson
Pu
Plutonium
1940
Discovered by:
Glenn T. Seaborg, Joseph W. Kennedy, Edwin McMillan, Arthur Wahl
Am
Americium
1944
Discovered by:
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Cm
Curium
1944
Discovered by:
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso
Pm
Promethium
1945
Discovered by:
Jacob A. Marinsky, Lawrence E. Glendenin, Charles D. Coryell
Bk
Berkelium
1949
Discovered by:
Stanley G. Thompson, Albert Ghiorso, Glenn T. Seaborg
Cf
Californium
1950
Discovered by:
Stanley G. Thompson, Kenneth Street Jr., Albert Ghiorso, Glenn T. Seaborg
Es
Einsteinium
1952
Discovered by:
Albert Ghiorso
Fm
Fermium
1952
Discovered by:
Albert Ghiorso
Md
Mendelevium
1955
Discovered by:
Albert Ghiorso, Bernard G. Harvey, Gregory R. Choppin, Stanley G. Thompson, Glenn T. Seaborg
No
Nobelium
1958
Discovered by:
Albert Ghiorso, Torbjørn Sikkeland, John R. Walton, Glenn T. Seaborg
Lr
Lawrencium
1961
Discovered by:
Albert Ghiorso, Torbjørn Sikkeland, Almon Larsh, Robert M. Latimer
Rf
Rutherfordium
1969
Discovered by:
Albert Ghiorso, Matti Nurmia, James Harris, Kari Eskola, Pirkko Eskola
Db
Dubnium
1970
Discovered by:
Albert Ghiorso, Matti Nurmia, James Harris, Kari Eskola, Pirkko Eskola
Sg
Seaborgium
1974
Discovered by:
Albert Ghiorso, JINR Dubna team
Bh
Bohrium
1981
Discovered by:
Peter Armbruster, Gottfried Münzenberg
Mt
Meitnerium
1982
Discovered by:
Peter Armbruster, Gottfried Münzenberg
Hs
Hassium
1984
Discovered by:
Peter Armbruster, Gottfried Münzenberg
Ds
Darmstadtium
1994
Discovered by:
Sigurd Hofmann
Rg
Roentgenium
1994
Discovered by:
Sigurd Hofmann
Cn
Copernicium
1996
Discovered by:
Sigurd Hofmann
Fl
Flerovium
1998
Discovered by:
JINR Dubna team, Yuri Oganessian
2000s
Lv
Livermorium
2000
Discovered by:
JINR Dubna team, LLNL team
Og
Oganesson
2002
Discovered by:
JINR Dubna team, LLNL team, Yuri Oganessian
Nh
Nihonium
2003
Discovered by:
RIKEN team, Kosuke Morita
Mc
Moscovium
2003
Discovered by:
JINR Dubna team, LLNL team
Ts
Tennessine
2010
Discovered by:
JINR Dubna team, LLNL team, ORNL team