| Atomic # |
Symbol |
Name |
Discovered/Synthesized By |
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 |
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| 1 | H | Hydrogen | Henry Cavendish |
| 2 | He | Helium | Pierre-Jules-César Janssen |
| 3 | Li | Lithium | Johann August Arfvedson |
| 4 | Be | Beryllium | Louis-Nicholas Vauquelin |
| 5 | B | Boron | Joseph-Louis Gay-Lussac, Louis-Jaques Thénard, Sir Humphry Davy |
| 6 | C | Carbon | Known since ancient times |
| 7 | N | Nitrogen | Daniel Rutherford |
| 8 | O | Oxygen | Joseph Priestley |
| 9 | F | Fluorine | Ferdinand Frederic Henri Moissan |
| 10 | Ne | Neon | Sir William Ramsay, Morris M. Travers |
| 11 | Na | Sodium | Sir Humphry Davy |
| 12 | Mg | Magnesium | Sir Humphry Davy |
| 13 | Al | Aluminum | Hans Christian Oersted |
| 14 | Si | Silicon | Jöns Jacob Berzelius |
| 15 | P | Phosphorus | Hennig Brand |
| 16 | S | Sulfur | Known since ancient times |
| 17 | Cl | Chlorine | Carl Wilhelm Scheele |
| 18 | Ar | Argon | Sir William Ramsay, Lord Rayleigh |
| 19 | K | Potassium | Sir Humphry Davy |
| 20 | Ca | Calcium | Sir Humphry Davy |
| 21 | Sc | Scandium | Lars Fredrik Nilson |
| 22 | Ti | Titanium | The Reverend William Gregor |
| 23 | V | Vanadium | Andrés Manuel del Rio, Nils Gabriel Sefstrôm |
| 24 | Cr | Chromium | Louis-Nicholas Vauquelin |
| 25 | Mn | Manganese | Johan Gottlieb Gahn |
| 26 | Fe | Iron | Known since ancient times |
| 27 | Co | Cobalt | Georg Brandt |
| 28 | Ni | Nickel | Axel Fredrik Cronstedt |
| 29 | Cu | Copper | Known since ancient times |
| 30 | Zn | Zinc | Known since ancient times |
| 31 | Ga | Gallium | Paul-Émile Lecoq de Boisbaudran |
| 32 | Ge | Germanium | Clemens Winkler |
| 33 | As | Arsenic | Known since ancient times |
| 34 | Se | Selenium | Jöns Jacob Berzelius |
| 35 | Br | Bromine | Antoine-Jérôme Balard |
| 36 | Kr | Krypton | Sir William Ramsay, Morris M. Travers |
| 37 | Rb | Rubidium | Robert Bunsen, Gustav Kirchhoff |
| 38 | Sr | Strontium | Adair Crawford |
| 39 | Y | Yttrium | Johan Gadolin |
| 40 | Zr | Zirconium | Martin Heinrich Klaproth |
| 41 | Nb | Niobium | Charles Hatchett |
| 42 | Mo | Molybdenum | Carl Welhelm Scheele |
| 43 | Tc | Technetium | Carlo Perrier, Emilio Segrè |
| 44 | Ru | Ruthenium | Karl Karlovich Klaus |
| 45 | Rh | Rhodium | William Hyde Wollaston |
| 46 | Pd | Palladium | William Hyde Wollaston |
| 47 | Ag | Silver | Known since ancient times |
| 48 | Cd | Cadmium | Friedrich Strohmeyer |
| 49 | In | Indium | Ferdinand Reich, Hieronymus Theodor Richter |
| 50 | Sn | Tin | Known since ancient times |
| 51 | Sb | Antimony | Known since ancient times |
| 52 | Te | Tellurium | Franz Joseph Müller von Reichenstein |
| 53 | I | Iodine | Barnard Courtois |
| 54 | Xe | Xenon | Sir William Ramsay, Morris M. Travers |
| 55 | Cs | Cesium | Robert Wilhelm Bunsen, Gustav Robert Kirchoff |
| 56 | Ba | Barium | Sir Humphry Davy |
| 57 | La | Lanthanum | Carl Gustaf Mosander |
| 58 | Ce | Cerium | Jöns Jacob Berzelius, Wilhelm von Hisinger, Martin Heinrich Klaproth |
| 59 | Pr | Praseodymium | Carl F. Auer von Welsbach |
| 60 | Nd | Neodymium | Carl F. Auer von Welsbach |
| 61 | Pm | Promethium | Jacob A. Marinsky, Lawrence E. Glendenin, Charles D. Coryell |
| 62 | Sm | Samarium | Jean Charles Galissard de Marignac |
| 63 | Eu | Europium | Eugène-Antole Demarçay |
| 64 | Gd | Gadolinium | Jean Charles Galissard de Marignac |
| 65 | Tb | Terbium | Carl Gustaf Mosander |
| 66 | Dy | Dysprosium | Paul-Émile Lecoq de Boisbaudran |
| 67 | Ho | Holmium | Per Theodor Cleve |
| 68 | Er | Erbium | Carl Gustaf Mosander |
| 69 | Tm | Thulium | Per Theodor Cleve |
| 70 | Yb | Ytterbium | Jean Charles Galissard de Marignac |
| 71 | Lu | Lutertium | Georges Urbain |
| 72 | Hf | Hafnium | Dirk Coster, Charles de Hevesy |
| 73 | Ta | Tantalum | Anders Gustaf Ekenberg |
| 74 | W | Tungsten | Juan José, Fausto Elhuyar |
| 75 | Re | Rhenium | Ida Tacke-Noddack, Walter Noddack, Otto Carl Berg |
| 76 | Os | Osmium | Smithson Tennant |
| 77 | Ir | Iridium | Smithson Tennant |
| 78 | Pt | Platinum | Antonio de Ulloa |
| 79 | Au | Gold | Know to the Ancients |
| 80 | Hg | Mercury | Known since ancient times |
| 81 | Tl | Thallium | Sir William Crookes |
| 82 | Pb | Lead | Known since ancient times |
| 83 | Bi | Bismuth | Claude Geoffroy the Younger |
| 84 | Po | Polonium | Marie Sklodowska Curie |
| 85 | At | Astatine | Dale R. Carson, K.R. MacKenzie, Emilio Segrè |
| 86 | Rn | Radon | Friedrich Ernst Dorn |
| 87 | Fr | Francium | Marguerite Catherine Perey |
| 88 | Ra | Radium | Marie Sklodowska Curie, Pierre Curie |
| 89 | Ac | Actinium | André-Louis Debierne |
| 90 | Th | Thorium | Jöns Jacob Berzelius |
| 91 | Pa | Protactinium | Kasimir Fajans, O.H. Göhring |
| 92 | U | Uranium | Martin Heinrich Klaproth |
| 93 | Np | Neptunium | Edwin M. McMillian, Philip H. Abelson |
| 94 | Pu | Plutonium | Glenn T. Seaborg, Joseph W. Kennedy, Edward M. McMillan, Arthur C. Wohl |
| 95 | Am | Americium | Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso, |
| 96 | Cm | Curium | Glenn T. Seaborg, Ralph A. James, Albert Ghiorso |
| 97 | Bk | Berkelium | Stanley G. Thompson, Glenn T. Seaborg, Kenneth Street, Jr., Albert Ghiorso |
| 98 | Cf | Californium | Stanley G. Thompson, Glenn T. Seaborg, Kenneth Street, Jr., Albert Ghiorso |
| 99 | Es | Einsteintium | Albert Ghiorso et. al. |
| 100 | Fm | Fermium | Albert Ghiorso et. al. |
| 101 | Md | Mendelevium | Stanley G. Thompson, Glenn T. Seaborg, Bernard G. Harvey, Gregory R. Choppin, Albert Ghiorso |
| 102 | No | Nobelium | Albert Ghiorso, Glenn T. Seaborg, Torbørn Sikkeland, John R. Walton |
| 103 | Lr | Lawrencium | Albert Ghiorso, Torbjørn Sikkeland, Almon E. Larsh, Robert M. Latimer |
| 104 | Rf | Rutherfordium | Scientists at Dubna, Russia, Albert Ghiorso et. al. |
| 105 | Db | Dubnium | Scientists at Dubna, Russia, Lawrence Berkeley Laboratory |
| 106 | Sg | Seaborgium | Albert Ghiorso et. al. |
| 107 | Bh | Bohrium | Scientists at Dubna, Russia |
| 108 | Hs | Hassium | Peter Armbruster, Gottfried Münzenber |
| 109 | Mt | Meitnerium | Peter Armbruster, Gottfried Münzenber |
| 110 | Ds | Darmstadtium | Peter Armbruster, Gottfried Münzenber |
| 111 | Rg | Roentgenium | Peter Armbruster, Gottfried Münzenber |
| 112 | Cn | Copernicium | Peter Armbruster, Gottfried Münzenber |
| 113 | Nh | Nihonium | Y. T. Oganessian et. al. |
| 114 | Fl | Flerovium | Scientists at Dubna, Russia, Lawrence Berkeley Laboratory |
| 115 | Mc | Moscovium | Y. T. Oganessian et. al. |
| 116 | Lv | Livermorium | Scientists at Dubna, Russia, Lawrence Berkeley Laboratory |
| 117 | Ts | Tennessine | Y. T. Oganessian et. al. |
| 118 | Og | Oganesson | Y. T. Oganessian et. al. |
