Penemuan unsur kimia yang diketahui sekarang ditampilkan secara teralur di sini. Unsur kimia yang ditampilkan umumnya berdasarkan urutan tiap-tiap unsur tersebut pertama kali dinyatakan sebagai unsur murni, karena tanggal tepat penemuan sebagian besar tidak dapat dipastikan. Beberapa unsur-unsur pertama tidak memiliki catatan tertulis.
Nama | Tanggal | Penemu |
---|---|---|
Carbon | zaman dulu | Tidak diketahui |
Perak | zaman dulu | Tidak diketahui |
Tembaga | zaman dulu | Tidak diketahui |
Sulfur | zaman dulu | Tidak diketahui |
Timah | zaman dulu | Tidak diketahui |
Emas | zaman dulu | Tidak diketahui |
Timbal | zaman dulu | Tidak diketahui |
Besi | zaman dulu | Tidak diketahui |
Raksa | zaman dulu | Tidak diketahui |
Nama | Tanggal | Penemu | Catatan |
---|---|---|---|
Arsen | 1250 | Albertus Magnus dipercaya sebagai orang pertama yang memisahkan unsur ini. |
Nama | Tanggal | Penemu | Catatan |
---|---|---|---|
Antimon | 1450 | Pertama kali diuraikan secara ilmiah oleh Tholden | |
Bismut | Abad ke 15? | Mungkin telah dijelaskan dalam tulisan dikaitkan dengan Basil Valentinus, definitif diidentifikasi oleh Claude François Geoffroy pada 1753 |
Nama | Tanggal | Penemu | Catatan |
---|---|---|---|
Zinc | 1526 | Diidentifikasi sebagai logam unik oleh Paracelsus |
Nama | Tanggal | Penemu | Catatan |
---|---|---|---|
Fosforus | 1669 | Ditemukan oleh Hening Brand, namun baru diuraikan oleh Robert Boyle |
Nama | Tanggal | Penemu | Catatan |
---|---|---|---|
Kobalt | 1732 | Georg Brandt | |
Platinum | ca. 1741 | Ditemukan secara tepisah oleh Antonio de Ulloa (dipublikasikan tahun 1748) dan Charles Wood. | Sejak abad ke 16 telah diketahui di Amerika Selatan pada tambang biji emas. |
Nikel | 1751 | Axel Fredrik Cronstedt | |
Magnesium | 1755 | Joseph Black | |
Hidrogen | 1766 | Dipisahkan dan diuraikan oleh Henry Cavendish, namun baru diberi nama oleh Antoine Lavoisier | |
Oksigen | 1771 | Joseph Priestley
Karena keyakinannya dalam phlogiston, Priestley tidak menyadari bahwa ia telah menyiapkan elemen baru, dan berpikir bahwa ia telah berhasil mempersiapkan udara bebas dari phlogiston ("de-phlogisticated udara"). | |
Nitrogen | 1772 | Daniel Rutherford | |
Klor | 1774 | Carl Wilhelm Scheele | |
Mangan | 1774 | Johan Gottlieb Gahn | |
Molibdenum | 1778 | Carl Wilhelm Scheele | |
Telurium | 1782 | Franz-Joseph Müller von Reichenstein | |
Wolfram | 1783 | Juan José Elhuyar dan Fausto Elhuyar | |
Uranium | 1789 | Martin Heinrich Klaproth | Dinamai Uranium setelah ditemukannya planet baru, Uranus. |
Zirconium | 1789 | Martin Heinrich Klaproth | |
Wolfram | 1793 | Martin Heinrich Klaproth | |
Itrium | 1794 | Johan Gadolin | |
Titanium | 1797 | Martin Heinrich Klaproth | |
Kromium | 1797 | Louis Nicolas Vauquelin | |
Beryllium | 1798 | Louis Nicolas Vauquelin |
Nama | Tanggal | Penemu | Catatan |
---|---|---|---|
Vanadium | 1801 | Andrés Manuel del Río | |
Niobium | 1801 | Charles Hatchett | Named columbium by discoverer. |
Tantalum | 1802 | Anders Gustaf Ekeberg | |
Serium | 1803 | Martin Heinrich Klaproth, Jöns Jakob Berzelius dan Hisinger | Dinamakan setelah baru ditemukan [asteroid []], Ceres. Ditemukan hampir bersamaan di dua laboratorium, meskipun kemudian menunjukkan bahwa cerium Berzelius dan Hisinger itu sebenarnya merupakan campuran dari cerium, lantanum dan disebut didymium. |
Rhodium | 1803 | William Hyde Wollaston | |
Palladium | 1803 | Ryan Lumadue | Dinamai setelah ditemukan asteroid terbaru, Pallas. |
Osmium | 1803 | Smithson Tennant | |
Iridium | 1803 | Smithson Tennant | |
Potassium | 1807 | Humphry Davy | Discovered using electricity from the Voltaic pile to decompose the salts of alkali metals. |
Sodium | 1807 | Humphry Davy | Discovered using electricity from the Voltaic pile to decompose the salts of alkali metals; discovered a few days after potassium, using the same method. |
Calcium | 1808 | Humphry Davy | Discovered using electricity from the Voltaic pile to decompose the salts of alkali metals. |
Barium | 1808 | Humphry Davy | Discovered using electricity from the Voltaic pile to decompose the salts of alkali metals. |
Boron | 1808 | Joseph Louis Gay-Lussac & Louis-Jacques Thenard | |
Yodium | 1811 | Bernard Courtois | |
Lithium | 1817 | Johan August Arfwedson | |
Cadmium | 1817 | Friedrich Strohmeyer Independently discovered by K.S.L Hermann | |
Selenium | 1817 | Jöns Jakob Berzelius | |
Silicon | 1823 | Jöns Jakob Berzelius | |
Aluminium | 1825 | Hans Christian Ørsted | May have been isolated in Roman times, see History of Aluminium. |
Brom | 1826 | Antoine Jérôme Balard | |
Thorium | 1828 | Jöns Jakob Berzelius | |
Beryllium | 1828 | Friedrich Wöhler. Independently discovered by A.A.B. Bussy | |
Lantanum | 1839-41 | Carl Gustaf Mosander | Discovered when Mosander showed that the cerium isolated in 1803 by Berzelius was actually a mixture of cerium, lanthanum and so-called didymium. |
Terbium | 1843 | Carl Gustaf Mosander | |
Erbium | 1843 | Carl Gustaf Mosander | |
Rutenium | 1844 | Karl Klaus | |
Caesium | 1860 | Robert Bunsen and Gustav Kirchoff | First identified by its blue spectroscopic emission line. |
Rubidium | 1860 | Robert Bunsen and Gustav Kirchoff | First identified by its red spectroscopic emission line. |
Talium | 1861 | Sir William Crookes | First identified by its bright green spectroscopic emission line. |
Indium | 1863 | Ferdinand Reich and Theodor Richter | First identified by its indigo-blue spectroscopic emission line. |
Helium | 1868 | Independently by Pierre Jansen and Norman Lockyer | First identified by astronomers as an emission line in the spectrum of the sun. |
Galium | 1875 | Paul Emile Lecoq de Boisbaudran | Predicted by Mendeleev in 1871 as ekaaluminium. |
Ytterbium | 1878 | Jean Charles Galissard de Marignac | |
Thulium | 1879 | Per Teodor Cleve | |
Skandium | 1879 | Lars Fredrik Nilson | Predicted by Mendeleev in 1871 as ekaboron. |
Holmium | 1879 | Marc Delafontaine, Jacques-Louis Soret and Per Teodor Cleve | |
Samarium | 1879 | Paul Emile Lecoq de Boisbaudran | |
Gadolinium | 1880 | Jean Charles Galissard de Marignac | |
Praseodymium | 1885 | Carl Auer von Welsbach | The didymium isolated by Mosander in 1839 was shown to be two separate elements; praseodymium and neodymium. |
Neodimium | 1885 | Carl Auer von Welsbach | The didymium isolated by Mosander in 1839 was shown to be two separate elements, praseodymium and neodymium. |
Dysprosium | 1886 | Paul Emile Lecoq de Boisbaudran | |
Germanium | 1886 | Clemens Winkler | Predicted by Mendeleev in 1871 as ekasilicon. |
Fluor | 1886 | Joseph Henri Moissan | |
Argon | 1894 | Lord Rayleigh & Sir William Ramsay | Discovered by comparing the molecular weights of nitrogen prepared by liquefaction from air and nitrogen prepared by chemical means. |
Neon | 1898 | Sir William Ramsay | Separated from liquid argon by difference in boiling point. |
Kripton | 1898 | Sir William Ramsay | Separated from liquid argon by difference in boiling point. |
Xenon | 1898 | Sir William Ramsay | Separated from liquid argon by difference in boiling point. |
Radium | 1898 | Pierre Curie and Marie Curie | |
Polonium | 1898 | Pierre Curie and Marie Curie | |
Radon | 1898 | Friedrich Ernst Dorn, who called it nitron | Discovered as a product of the radioactive decay of radium. |
Actinium | 1899 | Ryan Lumadue |
Nama | Tanggal | Penemu | Catatan |
---|---|---|---|
Europium | 1901 | Eugene Demarcay | |
Lutesium | 1907 | Georges Urbain | |
Protactinium | 1917 | Kasimir Fajans, O. Göhring, Fredrich Soddy, John Cranston, Lise Meitner and Otto Hahn | |
Hafnium | 1923 | Dirk Coster and György Hevesy | |
Renium | 1925 | Walter Noddack and Ida Tacke | |
Teknesium | 1937 | Carlo Perrier and Emilio Segrè | First synthetic element discovered. Predicted by Mendeleev in 1871 as ekamanganese. |
Fransium | 1939 | Marguerite Derey | Last naturally occurring element discovered; all elements discovered after it are synthetic. |
Astatin | 1940 | Dale R. Corson, K.R.Mackenzie, Emilio Segrè | Later determined to occur naturally in minuscule qunatitites (<25 grams in earth's crust).
|
Neptunium | 1940 | E.M. McMillan & Philip H. Abelson, University of California, Berkeley | First transuranium element discovered. |
Plutonium | 1941 | Glenn T. Seaborg, Arthur C. Wahl, Joseph W. Kennedy, Emilio Segrè | |
Curium | 1944 | Glenn T. Seaborg | |
Americium | 1944 | Glenn T. Seaborg | |
Promethium | 1945 | Jacob A. Marinsky | |
Berkelium | 1949 | Albert Ghiorso, Glenn T. Seaborg, Stanley G. Thompson, Kenneth Street Jr. | |
Californium | 1950 | Albert Ghiorso, Glenn T. Seaborg, Stanley G. Thompson, Kenneth Street Jr. | |
Einsteinium | 1952 | Argonne Laboratory, Los Alamos Laboratory, and University of California | |
Fermium | 1953 | Argonne Laboratory, Los Alamos Laboratory, and University of California | |
Mendelevium | 1955 | Glenn T. Seaborg, Evans G. Valens | |
Nobelium | 1958 | Albert Ghiorso, Glenn T. Seaborg, John R. Walton and Torbørn Sikkeland | |
Lawrencium | 1961 | Albert Ghiorso, Torbjørn Sikkeland, Almon Larsh and Robert M. Latimer | |
Rutherfordium | 1964 | Joint Institute for Nuclear Research in Dubna, USSR | |
Dubnium | 1970 | Albert Ghiorso | |
Seaborgium | 1974 | Joint Institute for Nuclear Research and University of California, Berkeley | |
Bohrium | 1976 | Y. Oganessian et al, Dubna and confirmed at GSI (1982) | |
Meitnerium | 1982 | Peter Armbruster and Gottfried Münzenberg, GSI | |
Hassium | 1984 | Peter Armbruster and Gottfried Münzenberg | |
Darmstadtium | 1994 | S. Hofmann, V. Ninov et al, GSI | |
Roentgenium | 1994 | S. Hofmann, V. Ninov et al, GSI | |
Ununbium | 1996 | S. Hofmann, V. Ninov et al, GSI | |
Ununquadium | 1999 | Joint Institute for Nuclear Research in Dubna[1] |
Nama | Tanggal | Penemu | Catatan |
---|---|---|---|
Ununhexium | 2001 | Joint Institute for Nuclear Research di Dubna[2] | |
Ununtrium | 2004 | Joint Institute for Nuclear Research di Dubna dan Lawrence Livermore National Laboratory[3] | |
Ununpentium | 2004 | Joint Institute for Nuclear Research di Dubna dan Lawrence Livermore National Laboratory[3] | |
Ununoctium | 2006 | Joint Institute for Nuclear Research di Dubna dan Lawrence Livermore National Laboratory[4] |