| Element Name | | Discovered By | | Year |
|
| Actinium | | André-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 Segrè | | 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 Thénard Sir Humphry Davy | | 1808 1808 |
|
| Bromine | | Antoine-Jérôme 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 | | Jöns 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 Münzenber | | 1994 |
|
| Dubnium | | Scientists at Dubna, Russia Lawrence Berkeley Laboratory | | 1967 1970 |
|
| Dysprosium | | Paul-Émile Lecoq de Boisbaudran | | 1886 |
|
| Einsteinium | | Albert Ghiorso et. al. | | 1952 |
|
| Erbium | | Carl Gustaf Mosander | | 1843 |
|
| Europium | | Eugène-Antole Demarçay | | 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-Émile Lecoq de Boisbaudran | | 1875 |
|
| Germanium | | Clemens Winkler | | 1886 |
|
| Gold | | Know to the Ancients | | ? |
|
| Hafnium | | Dirk Coster Charles de Hevesy | | 1923 |
|
| Hassium | | Peter Armbruster Gottfried Münzenber | | 1984 |
|
| Helium | | Pierre-Jules-César 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 Torbjørn 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 Münzenber | | 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 Torbørn 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. Göhring | | 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 Münzenber | | 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 | | Jöns Jacob Berzelius | | 1817 |
|
| Silicon | | Jöns 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 Segrè | | 1937 |
|
| Tellurium | | Franz Joseph Müller von Reichenstein | | 1782 |
|
| Terbium | | Carl Gustaf Mosander | | 1843 |
|
| Thallium | | Sir William Crookes | | 1861 |
|
| Thorium | | Jöns Jacob Berzelius | | 1828 |
|
| Thulium | | Per Theodor Cleve | | 1879 |
|
| Tin | | Known since ancient times | | ? |
|
| Titanium | | The Reverend William Gregor | | 1791 |
|
| Tungsten | | Juan José Fausto Elhuyar | | 1783 |
|
| Ununbium | | Peter Armbruster Gottfried Münzenber | | 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 | | Andrés Manuel del Rio Nils Gabriel Sefstrôm | | 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 |