History of Elements

Element	Date	Discoverer	Group
Actinium	1899	Andre Debierne	Actinide
Aluminium	1827	Hans Christian Oersted, Denmark	Light metal
Americium	1944	Glenn T. Seaborg, USA	Actinide
Antimony	Prehistoric	Unknown	Pnictogen
Argon	1894	Lord Rayleigh, Britain; William Ramsay, Britain	Noble gas
Arsenic	1250	Albertus Magnus, Germany	Pnictogen
Astatine	1940	Dale R. Corsun, USA; K.R. Mckenzie, USA; Emilio Segre, USA	Halogen
Barium	1808	Sir Humphry Davy, Britain	Alkaline earth metal
Berkelium	1949	Glenn T. Seaborg, USA; Stanley Thompson, USA; Albert Ghiorso, USA	Actinide
Beryllium	1798	Louis Nicolas Vauquelin, France	Alkaline earth metal
Bismuth	1753	Claude Geoffroy, the Younger, France	Pnictogen
Bohrium	1981	Peter Armbruster, Germany; Gottfried Munzenberg, Germany	Transactinide
Boron	1808	Joseph-Louis Gay-Lussac, France; Louis-Jacques Thenard, France; Sir Humphry Davy, Britain	Semi-metal
Bromine	1826	Antoine-Jerome Balard, France	Halogen
Cadmium	1817	Friedrich Strohmeyer, German	Transition element
Caesium	1869	Gustav Kirchoff, Germany; Robert Bunsen, Germany	Alkali metal
Calcium	1808	Sir Humphry Davy, Britain	Alkali earth metal
Californium	1950	Glenn T. Seaborg, USA; Stanley Thompson, USA; Albert Ghiorso, USA Kenneth Street, USA	Actinide
Carbon	Prehistoric	Unknown	Non-metallic element
Cerium	1803	Jons Jackob Berzelius, Sweden; Wilhelm von Hisinger, Germany; Martin Klaproth, Germany	Lanthanide
Chlorine	1774	Carl Wilhelm Scheele, Sweden	Halogen
Chromium	1797	Louis-Nicolas Vauquelin, France	Transition element
Cobalt	1735	Georg Brandt, Sweden	Transition element
Copper	Prehistoric	Unknown	Transition element
Curium	1944	Glenn T. Seaborg, USA; Ralph A. James, USA; Albert Ghiorso, USA	Actinide
Darmstadtium	1994	Peter Armbruster and group, Germany	Transactinide
Dubnium (Hahnium)	1967 (1970)	Albert Ghiorso and group, USA	Transactinide
Dysprosium	1886	Paul-Emile Lecoq de Boisbaudran, France	Lanthanide
Einsteinium	1952	Albert Ghiorso and group, USA	Actinide
Erbium	1843	Carl Gustaf Mosander, Sweden	Lanthanide
Europium	1896	Eugene-Anatole Demarcay, France	Lanthanide
Fermium	1953	Albert Ghiorso and group, USA	Actinide
Fluorine	1771	Henri Moissan, France	Halogen
Francium	1939	Marguerite Perey, France	Alkali metal
Gadolinium	1880	Jean de Marignac, France; Paul-Emile Lecoq de Boisbaudran, France	Lanthanide
Gallium	1875	Paul-Emile Lecoq de Boisbaudran, France	Post-transition metal
Germanium	1886	Clemens Winkler, Germany	Metalloid
Gold	Prehistoric	Unknown	Transition element (Precious metal)
Hafnium	1907	Dirk Coster, Netherlands; Georg Karl von Hevesy, Hungary	Transition element
Hassium	1984	Peter Armbruster, Germany; Goofried Munzenberg, Germany	Transactinide
Helium	1895	Pierre J. C. Janssen, France	Noble gas
Holmium	1879	Per Teodor Cleve, Sweden	Lanthanide
Hydrogen	1766	Henry Cavendish, Britain	No name
Indium	1863	Ferdinand Reich, Germany	Post-transitional element
Iodine	1811	Bernard Courtis, France	Halogen
Iridium	1803	Smithson Tennant, Britain	Transition element
Iron	Prehistoric	Unknown	Transition element
Krypton	1898	Sir William Ramsay, Britain	Noble gas
Lanthanum	1839	Carl Gustaf Mosander, Sweden	Lanthanide
Lawrencium	1961	Albert Ghiorso and group, USA	Actinide
Lead	Prehistoric	Unknown	Metal
Lithium	1817	Johan August Arfvedson, Sweden	Alkali metal
Lutetium	1907	Carl Auer von Welsbach, Austria; Georges Urbain, France	Lanthanide
Magnesium	1808	Sir Humphry Davy, Britain	Alkaline earth metal
Manganese	1774	Carl Wilhelm Scheele, Sweden	Hard metal
Meitnerium	1982	Peter Armbruster, Germany; Goofried Munzenberg, Germany	Transactinide
Mendelevium	1955	Albert Ghiorso and group, USA	Actinide
Mercury	Prehistoric	Unknown	Transition element
Molybdenum	1782	Carl Wilhelm Scheele, Sweden	Transition element
Neodymium	1885	Carl Auer von Welsbach, Austria	Lanthanide
Neon	1898	Sir William Ramsay, Britain	Noble gas
Neptunium	1940	Edwin M. McMillan, USA; Philip H. Abelson, USA	Actinide
Nickel	1751	Axel Fredrik Cronstedt, Sweden	Transition element
Niobium	1801	Charles Hatchett, Britain	Transition element
Nitrogen	1772	Daniel Rutherford, Britain	Pnictogen
Nobelium	1958	Albert Ghiorso and group, USA	Actinide
Osmium	1803	Smithson Tennant, Britain	Transition element
Oxygen	1774	Joseph Priestley, Britain	Chalcogen
Palladium	1803	William Hyde Wollaston, Britain	Transition element
Phosphorus	1669	Hennig Brand, Germany	Pnictogen
Platinum	1735	Charles Wood, Britain	Transition element (Precious metal)
Plutonium	1940	Glenn T. Seaborg, USA	Actinide
Polonium	1898	Pierre and Marie Curie, France and Poland	Chalcogen
Potassium	1807	Sir Humphry Davy, Britain	Alkali metal
Praseodymium	1885	Carl Auer von Welsbach, Austria	Lanthanide
Promethium	1941	Jacob A. Marinsky, USA; Lawrence E. Glendenin, USA: Charles D. Coryell, USA	Lanthanide
Protactinium	1917	Kasimir Fajans, Germany; O. H. Gohring, Germany	Actinide
Radium	1898	Pierre and Marie Curie, France and Poland	Alkaline earth metal
Radon	1900	Friedrich Ernst Dorn, Germany	Noble gas
Rhenium	1925	Ida Tacke, Germany; Walter Nodack, Germany; Otto Carl Berg, Germany	Transition element
Rhodium	1803	William Hyde Wollaston, Britain	Transition element
Roentgenium	1994	Peter Armbruster and group, Germany	Transition element
Rubidium	1861	Robert Bunsen, Germany; Gustav Kirchoff, Germany	Alkali metal
Ruthenium	1844	Karl Karlovitch Klaus, Estonia	Transition element
Rutherfordium	1969	Albert Ghiorso and group, USA	Transactinide
Samarium	1879	Paul-Emile Lecoq de Boisbaudran, France	Lanthanide
Scandium	1879	Lars Fredrik Nilson, Sweden	Transition element
Seaborgium	1974	Albert Ghiorso, USA	Transactinide
Selenium	1817	Jons Jakob Berzelius, Sweden	Chalcogen
Silicon	1823	Jons Jakob Berzelius, Sweden	Semi-metal
Silver	Prehistoric	Unknown	Transition element (Coinage metal)
Sodium	1807	Sir Humphry Davy, Britain	Alkali metal
Strontium	1808	Adair Crawford, Britain	Alkaline earth metal
Sulfur	Prehistoric	Unknown	Chalcogen
Tantalum	1802	Anders Gustav Ekeberg	Transition element
Technetium	1937	Emilio Segre, Italian; Carlo Perrier, Italy	Transition element
Tellurium	1782	Franz Joseph von Reichenstein, Germany	Chalcogen
Terbium	1843	Carl Gustaf Mosander, Sweden	Lanthanide
Thallium	1861	Sir William Crookes. Britain	Post-transition metal
Thorium	1828	Jons Jakob Berzelius	Actinide
Thulium	1879	Per Teodor Cleve, Sweden	Lanthanide
Tin	Prehistoric	Unknown	Post-transitional element
Titanium	1791	William Gregor, Britain	Transition element
Tungsten	1783	Juan José and Fausto de Elhuyar, Spain	Transition element
Uranium	1789	Eugene-Melchior Peligot, France	Actinide
Vanadium	1801	Andres Manuel del Rio, Mexico	Transition element
Xenon	1898	Sir William Ramsay, Britain	Noble gas
Ytterbium	1878	Jean de Marignac, France	Lanthanide
Yttrium	1794	Johan Gadolin	Transition element
Zinc	1746	Andreas Marggraf, Germany	Transition element
Zirconium	1789	Martin Heinrich Klaproth, Germany	Transition element