| 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 |
Unnamed Elements
| Element | Date | Discoverer | Group |
| Ununbium | 1996 | Peter Armbruster and group, Germany | Transition element |
| Ununtrium | No data | No data | No data |
| Ununquadium | 1999 | Workers at the Nuclear Institute at Dubna, Russia | Transition element |
| Ununpentium | Not yet confirmed | No data | Pnictogen |
| Ununhexium | No data | No data | Chalcogen |
| Ununseptium | No data | No data | No data |
| Ununoctium | No data | No data | No data |
| Ununennium | No data | No data | No data |
