Element name |
Discovered by |
Year |
Actinium |
Andre-Louis Debierne |
1899 |
Aluminum |
Hans Christian Oersted |
1825 |
Americium |
Glenn T. Seaborg
Ralph A. James
Leon O. Morgan
Albert Ghiorso |
1944 |
Antimony |
Known since ancient times |
? |
Argon |
Sir William Ramsay
Lord Rayleigh |
1894 |
Arsenic |
Known since ancient times |
? |
Astatine |
Dale R. Carson
K.R. MacKenzie
Emilio Segre |
1940 |
Barium |
Sir Humphry Davy |
1808 |
Berkelium |
Stanley G. Thompson
Glenn T. Seaborg
Kenneth Street, Jr.
Albert Ghiorso |
1949 |
Beryllium |
Louis-Nicholas Vauquelin |
1798 |
Bismuth |
Claude Geoffroy the Younger |
1753 |
Bohrium |
Scientists at Dubna, Russia |
1976 |
Boron |
Joseph-Louis Gay-Lussac
Louis-Jaques Thenard
Sir Humphry Davy |
1808
1808 |
Bromine |
Antoine-Jerome Balard |
1826 |
Cadmium |
Friedrich Strohmeyer |
1817 |
Calcium |
Sir Humphry Davy |
1808 |
Californium |
Stanley G. Thompson
Glenn T. Seaborg
Kenneth Street, Jr.
Albert Ghiorso |
1950 |
Carbon |
Known since ancient times |
? |
Cerium |
Jons Jacob Berzelius
Wilhelm von Hisinger
Martin Heinrich Klaproth |
1803
1803 |
Cesium |
Robert Wilhelm Bunsen
Gustav Robert Kirchoff |
1860 |
Chlorine |
Carl Wilhelm Scheele |
1774 |
Chromium |
Louis-Nicholas Vauquelin |
1797 |
Cobalt |
Georg Brandt |
1739 |
Copper |
Known since ancient times |
? |
Curium |
Glenn T. Seaborg
Ralph A. James
Albert Ghiorso |
1944 |
Darmstadtium |
Peter Armbruster
Gottfried Munzenber |
1994 |
Dubnium |
Scientists at Dubna, Russia
Lawrence Berkeley Laboratory |
1967
1970 |
Dysprosium |
Paul-Emile Lecoq de Boisbaudran |
1886 |
Einsteinium |
Albert Ghiorso et. al. |
1952 |
Erbium |
Carl Gustaf Mosander |
1843 |
Europium |
Eugene-Antole Demarcay |
1896 |
Fermium |
Albert Ghiorso et. al. |
1952 |
Fluorine |
Ferdinand Frederic Henri Moissan |
1886 |
Francium |
Marguerite Catherine Perey |
1939 |
Gadolinium |
Jean Charles Galissard de Marignac |
1880 |
Gallium |
Paul-Emile Lecoq de Boisbaudran |
1875 |
Germanium |
Clemens Winkler |
1886 |
Gold |
Know to the Ancients |
? |
Hafnium |
Dirk Coster
Charles de Hevesy |
1923 |
Hassium |
Peter Armbruster
Gottfried Munzenber |
1984 |
Helium |
Pierre-Jules-Cesar Janssen |
1868 |
Holmium |
Per Theodor Cleve |
1879 |
Hydrogen |
Henry Cavendish |
1766 |
Indium |
Ferdinand Reich
Hieronymus Theodor Richter |
1863 |
Iodine |
Barnard Courtois |
1811 |
Iridium |
Smithson Tennant |
1803 |
Iron |
Known since ancient times |
? |
Krypton |
Sir William Ramsay
Morris M. Travers |
1898 |
Lanthanum |
Carl Gustaf Mosander |
1839 |
Lawrencium |
Albert Ghiorso
Torbjorn Sikkeland
Almon E. Larsh
Robert M. Latimer |
1961 |
Lead |
Known since ancient times |
? |
Lithium |
Johann August Arfvedson |
1817 |
Lutetium |
Georges Urbain |
1907 |
Magnesium | Sir Humphry Davy |
1808 |
Manganese |
Johan Gottlieb Gahn |
1774 |
Meitnerium |
Peter Armbruster
Gottfried Munzenber |
1982 |
Mendelevium |
Stanley G. Thompson
Glenn T. Seaborg
Bernard G. Harvey
Gregory R. Choppin
Albert Ghiorso |
1955 |
Mercury |
Known since ancient times |
? |
Molybdenum |
Carl Welhelm Scheele |
1778 |
Neodymium |
Carl F. Auer von Welsbach |
1885 |
Neon |
Sir William Ramsay
Morris M. Travers |
1898 |
Neptunium |
Edwin M. McMillian
Philip H. Abelson |
1940 |
Nickel |
Axel Fredrik Cronstedt |
1751 |
Niobium |
Charles Hatchett |
1801 |
Nitrogen |
Daniel Rutherford |
1772 |
Nobelium |
Albert Ghiorso
Glenn T. Seaborg
Torborn Sikkeland
John R. Walton |
1958 |
Osmium |
Smithson Tennant |
1803 |
Oxygen |
Joseph Priestley |
1774 |
Palladium |
William Hyde Wollaston |
1803 |
Phosphorus |
Hennig Brand |
1669 |
Platinum |
Known to pre-Columbian Indians
Antonio de Ulloa |
?
1735 |
Plutonium |
Glenn T. Seaborg
Joseph W. Kennedy
Edward M. McMillan
Arthur C. Wohl |
1941 |
Polonium |
Marie Sklodowska Curie |
1898
|
Potassium |
Sir Humphry Davy |
1807 |
Praseodymium |
Carl F. Auer von Welsbach |
1885 |
Promethium |
Jacob A. Marinsky
Lawrence E. Glendenin
Charles D. Coryell |
1944 |
Protactinium |
Kasimir Fajans
O.H. Gohring |
1913 |
Radium |
Marie Sklodowska Curie
Pierre Curie |
1898 |
Radon |
Friedrich Ernst Dorn |
1900 |
Rhenium |
Ida Tacke-Noddack
Walter Noddack
Otto Carl Berg |
1925 |
Rhodium |
William Hyde Wollaston |
1803 |
Roentgenium |
Peter Armbruster
Gottfried Munzenber |
1994 |
Rubidium |
Robert Bunsen
Gustav Kirchoff |
1861 |
Ruthenium |
Karl Karlovich Klaus |
1844 |
Rutherfordium |
Scientists at Dubna, Russia
Albert Ghiorso et. al. |
1964
1969 |
Samarium |
Jean Charles Galissard de Marignac |
1853 |
Scandium |
Lars Fredrik Nilson |
1879 |
Seaborgium |
Albert Ghiorso et. al. |
1974 |
Selenium |
Jons Jacob Berzelius |
1817 |
Silicon |
Jons Jacob Berzelius |
1824 |
Silver |
Known since ancient times |
? |
Sodium |
Sir Humphry Davy |
1807 |
Strontium |
Adair Crawford |
1790 |
Sulfur |
Known since ancient times |
? |
Tantalum |
Anders Gustaf Ekenberg |
1802 |
Technetium |
Carlo Perrier
Emilio Segre |
1937 |
Tellurium |
Franz Joseph Muller von Reichenstein |
1782 |
Terbium |
Carl Gustaf Mosander |
1843 |
Thallium |
Sir William Crookes |
1861 |
Thorium |
Jons Jacob Berzelius |
1828 |
Thulium |
Per Theodor Cleve |
1879 |
Tin |
Known since ancient times |
? |
Titanium |
The Reverend William Gregor |
1791 |
Tungsten |
Juan Jose
Fausto Elhuyar |
1783 |
Ununbium |
Peter Armbruster
Gottfried Munzenber |
1996 |
Ununhexium |
Scientists at Dubna, Russia |
2001 |
Ununoctium |
Y. T. Oganessian et. al. |
2006 |
Ununpentium |
Y. T. Oganessian et. al. |
2004 |
Ununquadium |
Scientists at Dubna, Russia |
1998 |
Ununseptium |
Not Yet Produced |
NA |
Ununtrium |
Y. T. Oganessian et. al. |
2004 |
Uranium |
Martin Heinrich Klaproth |
1789 |
Vanadium |
Andres Manuel del Rio
Nils Gabriel Sefstrom |
1801
1830 |
Xenon |
Sir William Ramsay
Morris M. Travers |
1898 |
Ytterbium |
Jean Charles Galissard de Marignac |
1878 |
Yttrium |
Johan Gadolin |
1789 |
Zinc |
Known since ancient times |
? |
Zirconium |
Martin Heinrich Klaproth |
1789 |