Phosphorus |
Hennig Brand |
1669 |
Platinum |
Known to pre-Columbian Indians, Antonio de Ulloa |
1735 |
Cobalt |
Georg Brandt |
1739 |
Nickel |
Axel Fredrik Cronstedt |
1751 |
Bismuth |
Claude Geoffroy the Younger |
1753 |
Hydrogen |
Henry Cavendish |
1766 |
Nitrogen |
Daniel Rutherford |
1772 |
Chlorine |
Carl Wilhelm Scheele |
1774 |
Manganese |
Johan Gottlieb Gahn |
1774 |
Oxygen |
Joseph Priestley |
1774 |
Molybdenum |
Carl Welhelm Scheele |
1778 |
Tellurium |
Franz Joseph Müller von Reichenstein |
1782 |
Tungsten |
Juan José, Fausto Elhuyar |
1783 |
Uranium |
Martin Heinrich Klaproth |
1789 |
Yttrium |
Johan Gadolin |
1789 |
Zirconium |
Martin Heinrich Klaproth |
1789 |
Strontium |
Adair Crawford |
1790 |
Titanium |
The Reverend William Gregor |
1791 |
Chromium |
Louis-Nicholas Vauquelin |
1797 |
Beryllium |
Louis-Nicholas Vauquelin |
1798 |
Niobium |
Charles Hatchett |
1801 |
Vanadium |
Andrés Manuel del Rio |
1801 |
Tantalum |
Anders Gustaf Ekenberg |
1802 |
Cerium |
Jöns Jacob Berzelius, Wilhelm von Hisinger, Martin Heinrich Klaproth |
1803 |
Iridium |
Smithson Tennant |
1803 |
Osmium |
Smithson Tennant |
1803 |
Palladium |
William Hyde Wollaston |
1803 |
Rhodium |
William Hyde Wollaston |
1803 |
Potassium |
Sir Humphry Davy |
1807 |
Sodium |
Sir Humphry Davy |
1807 |
Barium |
Sir Humphry Davy |
1808 |
Boron |
Joseph-Louis Gay-Lussac, Sir Humphry Davy, Louis-Jaques Thénard |
1808 |
Calcium |
Sir Humphry Davy |
1808 |
Magnesium |
Sir Humphry Davy |
1808 |
Cadmium |
Friedrich Strohmeyer |
1817 |
Lithium |
Johann August Arfvedson |
1817 |
Selenium |
Jöns Jacob Berzelius |
1817 |
Silicon |
Jöns Jacob Berzelius |
1824 |
Aluminum |
Hans Christian Oersted |
1825 |
Bromine |
Antoine-Jérôme Balard |
1826 |
Thorium |
Jöns Jacob Berzelius |
1828 |
Vanadium |
Nils Gabriel Sefstrôm |
1830 |
Lanthanum |
Carl Gustaf Mosander |
1839 |
Erbium |
Carl Gustaf Mosander |
1843 |
Terbium |
Carl Gustaf Mosander |
1843 |
Ruthenium |
Karl Karlovich Klaus |
1844 |
Samarium |
Jean Charles Galissard de Marignac |
1853 |
Cesium |
Robert Wilhelm Bunsen, Gustav Robert Kirchoff |
1860 |
Rubidium |
Robert Bunsen, Gustav Kirchhoff |
1861 |
Thallium |
Sir William Crookes |
1861 |
Indium |
Ferdinand Reich, Hieronymus Theodor Richter |
1863 |
Helium |
Pierre-Jules-César Janssen |
1868 |
Gallium |
Paul-Émile Lecoq de Boisbaudran |
1875 |
Ytterbium |
Jean Charles Galissard de Marignac |
1878 |
Holmium |
Per Theodor Cleve |
1879 |
Scandium |
Lars Fredrik Nilson |
1879 |
Thulium |
Per Theodor Cleve |
1879 |
Gadolinium |
Jean Charles Galissard de Marignac |
1880 |
Neodymium |
Carl F. Auer von Welsbach |
1885 |
Praseodymium |
Carl F. Auer von Welsbach |
1885 |
Dysprosium |
Paul-Émile Lecoq de Boisbaudran |
1886 |
Fluorine |
Ferdinand Frederic Henri Moissan |
1886 |
Germanium |
Clemens Winkler |
1886 |
Argon |
Sir William Ramsay, Lord Rayleigh |
1894 |
Europium |
Eugène-Antole Demarçay |
1896 |
Krypton |
Sir William Ramsay, Morris M. Travers |
1898 |
Neon |
Sir William Ramsay, Morris M. Travers |
1898 |
Polonium |
Marie Sklodowska Curie |
1898 |
Radium |
Marie Sklodowska Curie, Pierre Curie |
1898 |
Xenon |
Sir William Ramsay, Morris M. Travers |
1898 |
Actinium |
André-Louis Debierne |
1899 |
Radon |
Friedrich Ernst Dorn |
1900 |
Lutetium |
Georges Urbain |
1907 |
Protactinium |
Kasimir Fajans, O.H. Göhring |
1913 |
Hafnium |
Dirk Coster, Charles de Hevesy |
1923 |
Rhenium |
Ida Tacke-Noddack, Otto Carl Berg, Walter Noddack |
1925 |
Technetium |
Carlo Perrier, Emilio Segrè |
1937 |
Francium |
Marguerite Catherine Perey |
1939 |
Astatine |
Dale R. Carson, K.R. MacKenzie, Emilio Segrè |
1940 |
Neptunium |
Edwin M. McMillian, Philip H. Abelson |
1940 |
Plutonium |
Glenn T. Seaborg, Joseph W. Kennedy, Edward M. McMillan, Arthur C. Wohl |
1941 |
Americium |
Glenn T. Seaborg, Albert Ghiorso, Ralph A. James, Leon O. Morgan |
1944 |
Curium |
Glenn T. Seaborg, Albert Ghiorso, RalRalph A. Jamesph A. James, Leon O. Morgan |
1944 |
Promethium |
Jacob A. Marinsky, Charles D. Coryell, Lawrence E. Glendenin |
1944 |
Berkelium |
Stanley G. Thompson, Glenn T. Seaborg, Jr. Kenneth Street, Albert Ghiorso |
1949 |
Californium |
Stanley G. Thompson, Albert Ghiorso, Jr. Kenneth Street, Glenn T. Seaborg |
1950 |
Einsteinium |
Albert Ghiorso et. al. |
1952 |
Fermium |
Albert Ghiorso et. al. |
1952 |
Mendelevium |
Stanley G. Thompson, Glenn T. Seaborg, Bernard G. Harvey, Gregory R. Choppin, Albert Ghiorso |
1955 |
Nobelium |
Albert Ghiorso, John R. Walton, Glenn T. Seaborg, Torbørn Sikkeland |
1958 |
Lawrencium |
Albert Ghiorso, Robert M. Latimer, Torbjørn Sikkeland, Almon E. Larsh |
1961 |
Rutherfordium |
Scientists at Dubna - Russia |
1964 |
Dubnium |
Scientists at Dubna, Russia |
1967 |
Rutherfordium |
Albert Ghiorso et. al. |
1969 |
Dubnium |
Lawrence Berkeley Laboratory |
1970 |
Seaborgium |
Albert Ghiorso et. al. |
1974 |
Bohrium |
Scientists at Dubna, Russia |
1976 |
Meitnerium |
Peter Armbruster, Gottfried Münzenber |
1982 |
Hassium |
Peter Armbruster, Gottfried Münzenber |
1984 |
Darmstadtium |
Peter Armbruster, Gottfried Münzenber |
1994 |
Roentgenium |
Peter Armbruster, Gottfried Münzenber |
1994 |
Copernicium |
Peter Armbruster, Gottfried Münzenber |
1996 |
Flerovium |
Scientists at Dubna, Russia with Scientists from Lawrence Livermore National Laboratory |
1998 |
Livermorium |
Scientists at Dubna, Russia with Scientists from Lawrence Livermore National Laboratory |
2001 |
Ununpentium |
Y. T. Oganessian et. al. |
2004 |
Ununtrium |
Y. T. Oganessian et. al. |
2004 |
Ununoctium |
Y. T. Oganessian et. al. |
2006 |
Ununseptium |
Y. T. Oganessian et. al. |
2010 |
