Timeline of chemical element discovery
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Antiquity
- antiquity - Carbon
- antiquity - Gold
- antiquity - Silver
- antiquity - Copper
- antiquity - Sulfur
- antiquity - Tin
- antiquity - Lead
- antiquity - Mercury
- antiquity - Iron
(Aluminium may have been synthesized in Roman times, however it is usually credited to Hans Christian زsted in 1825 (see history of aluminium)
13th century
- 1250 - Arsenic discovered by Albertus Magnus
15th century
16th century
- 1526 - Zinc discovered by Paracelsus
17th century
- 1669 - Phosphorus discovered by Hening Brand
18th century
- 1737 - Cobalt discovered by Georg Brandt. From the German word kobalt or kobold (evil spirit).
- 1741 - Platinum discovered by Charles Wood
- 1751 - Nickel isolated from niccolite by Axel Fredrik Cronstedt.
- 1753 - Bismuth discovered by Claude Geoffroy Junine
- 1755 - Magnesium discovered by Joseph Black.
- 1766 - Hydrogen discovered by Henry Cavendish. From the Greek words hud? (water) and gennan (generate).
- 1772 - Nitrogen discovered by Daniel Rutherford .
- 1774
- Oxygen discovered by Joseph Priestley. From the Greek words oxus (acid) and gennan (generate).
- Chlorine discovered by Carl Wilhelm Scheele.
- Manganese by Johan Gottlieb Gahn
- 1776 - Hydrogen isolated and described by Henry Cavendish, named by Antoine Lavoisier
- 1778 - Molybdenum was discovered Carl Wilhelm Scheele
- 1782 - Tellurium discovered by Franz-Joseph M?von Reichenstein. From Latin word Tellus (earth).
- 1783 - Tungsten discovered by brothers Jos項lhuyar and Fausto Elhuyar
- 1789
- Uranium discovered by Martin Heinrich Klaproth. After the planet Uranus.
- Zirconium discovered by Martin Heinrich Klaproth. Named from Zircon (mineral).
- 1793 - Strontium discovered by Martin Heinrich Klaproth
- 1794 - Yttrium discovered by Johan Gadolin. After Ytterby (a town in Sweden).
- 1797
- Titanium discovered by Martin Heinrich Klaproth
- Chromium discovered by Nicolas-Louis Vauquelin
- 1798 - Beryllium discovered by Nicolas-Louis Vauquelin
19th century
- 1801
- Vanadium discovered by [[Andr鳠Manuel del R�], not verified until 1831
- Columbium discovered by Charles Hatchett, later renamed Niobium
- 1802 - Tantalum discovered by Anders Ekeberg
- 1803
- Cerium discovered by Martin Heinrich Klaproth; J?Jakob Berzelius and Wilhelm Hisinger
- Rhodium discovered by William Hyde Wollaston
- Palladium also discovered by William Hyde Wollaston.
- Osmium discovered by Smithson Tennant. From the Greek word ὀσμή osm맧 (odor).
- Iridium also discovered by Smithson Tennant.
- 1807
- Potassium discovered Humphry Davy. From the Latin word kalium.
- Sodium discovered Humphry Davy. From the Latin word natrium (sodium).
- 1808
- Calcium discovered Humphry Davy. From the Latin word calcis (lime).
- Barium discovered Humphry Davy. From the Greek word βαρύς barys (heavy).
- Boron discovered by Joseph Louis Gay-Lussac & L.J. Thenard
- 1811 - Iodine discovered by Bernard Courtois
- 1817
- Lithium discovered by Johan August Arfwedson. From the Greek word λίθος lithos (stone).
- Cadmium independently discovered by Friedrich Strohmeyer and K.S.L Hermann
- Selenium discovered by J?Jakob Berzelius
- 1823 - Silicon discovered by J?Jakob Berzelius
- 1825 - Aluminium discovered by Hans Christian زsted
- 1826 - Bromine discovered by Antoine Jerome Balard
- 1828
- Thorium discovered by J?Jakob Berzelius
- Beryllium - Independently discovered by Friedrich W?r and A.A.B. Bussy
- 1839 - Lanthanum discovered by Carl Gustaf Mosander
- 1843
- Terbium discovered by Carl Gustaf Mosander
- Erbium also discovered by Carl Gustaf Mosander
- 1844 - Ruthenium discovered by Karl Klaus
- 1860
- Caesium discovered by Robert Bunsen
- Rubidium discovered by Robert Bunsen
- 1861 - Thallium discovered by Sir William Crookes
- 1863 - Indium discovered by Ferdinand Reich and Theodor Richter
- 1868
- Helium Independently by Pierre Janssen and Norman Lockyer. From the Greek word ἥλιος hꬩos (sun).
- 1875 - Gallium 1875 Paul ɭile Lecoq de Boisbaudran
- 1878 - Ytterbium discovered by Jean Charles Galissard de Marignac. After Ytterby (a town in Sweden).
- Holmium discovered by Marc Delafontaine & Jacques Louis Soret
- 1879
- Thulium discovered by Per Teodor Cleve
- Scandium discovered by Lars Fredrik Nilson
- Samarium discovered by Paul ɭile Lecoq de Boisbaudran
- 1880 - Gadolinium discovered by Jean Charles Galissard de Marignac
- 1885
- Praseodymium discovered by Carl Auer von Welsbach.
- Neodymium also discovered by Carl Auer von Welsbach.
- 1886
- Germanium discovered by Clemens Winkler.
- Fluorine discovered by Joseph Henri Moissan. From the Latin word fluo (flow).
- Dysprosium discovered by Paul Emile Lecoq de Boisbaudran. From the Greek word δυσπρόσιτος dysprositos (hard to get at).
- 1894 - Argon discovered by William Ramsay. From the Greek word ἀργός argon (inactive).
- 1898
- Neon discovered by William Ramsay. From the Greek word νέος neos (new).
- Krypton discovered by William Ramsay. From the Greek word κρυπτός kryptos (hidden).
- Xenon discovered by William Ramsay. From the Greek word ξένος xenos (stranger).
- Radium discovered by Pierre Curie and Marie Curie. From the Latin word radius (rays).
- Radon discovered by Friedrich Ernst Dorn. From Radium.
- Polonium discovered Pierre and Marie Curie. From Poland.
- Radon discovered by Fredrich Ernst Dorn who called it nitron
- 1899 - Actinium discovered by Andr魌ouis Debierne.
20th century
- 1901 - Europium discovered by Eug讥-Antole Demar硹.
- 1907 - Lutetium discovered by Georges Urbain. From Lutetia (ancient name of Paris).
- 1917 - Protactinium discovered by Lise Meitner and Otto Hahn
- 1923 - Hafnium discovered by Dirk Coster
- 1925 - Rhenium discovered by Walter Noddack and Ida Tacke
- 1937 - Technetium discovered Carlo Perrier.
- 1939 - Francium discovered by Marguerite Derey
- 1940
- Astatine discovered by Dale R. Corson, K.R.Mackenzie, [[Emilio G. Segr蝝
- Neptunium discovered by E.M. McMillan & Philip H. Abelson at the University of California, Berkeley
- 1941 - Plutonium discovered by Glenn T. Seaborg, Arthur C. Wahl, Joseph W. Kennedy, [[Emilio G. Segr蝝
- 1944 - Curium discovered by Glenn T. Seaborg
- 1945
- Americium discovered by Glenn T. Seaborg
- Promethium discovered by J.A. Marinsky
- 1949 - Berkelium discovered by Albert Ghiorso, Glenn T. Seaborg, Stanley G. Thompson, Kenneth Street Jr.
- 1950 - Californium discovered by Albert Ghiorso, Glenn T. Seaborg
- 1952 - Einsteinium discovered by Argonne Laboratory, Los Alamos Laboratory, and University of California
- 1953 - Fermium discovered by Argonne Laboratory, Los Alamos Laboratory, and University of California
- 1955 - Mendelevium discovered by Glenn T. Seaborg, Evans G. Valens
- 1958 - Nobelium discovered at Nobel Institute for Physics. Named after Alfred Nobel.
- 1961 - Lawrencium discovered by Albert Ghiorso. After Ernest Lawrence.
- 1964 - Rutherfordium discovered by the Joint Nuclear Research Institute at Dubna, U.S.S.R.
- 1970 - Dubnium discovered by Albert Ghiorso. After Dubna, Russia.
- 1974 - Seaborgium discovered by Joint Nuclear Research Institute? and University of California, Berkeley
- 1976 - Bohrium discovered by Y. Oganessian et al, Dubna and confirmed at GSI (1982)
- 1982 - Meitnerium discovered by Peter Armbruster and Gottfried M?erg, GSI
- 1984 - Hassium discovered by Peter Armbruster and Gottfried M?erg
- 1994
- Darmstadtium discovered by S. Hofmann, V. Ninov et al, GSI
- Roentgenium discovered by S. Hofmann, V. Ninov et al, GSI
- 1996 - Ununbium discovered by S. Hofmann, V. Ninov et al, GSI
- 1999 - Ununquadium discovered by Joint Nuclear Research Institute at Dubna
21st century
- 2001 - Ununhexium discovered by Joint Nuclear Research Institute at Dubna
- 2004 (awaiting confirmation)
- Ununtrium - Joint Nuclear Research Institute and Lawrence Livermore National Laboratory
- Ununpentium - Joint Nuclear Research Institute and Lawrence Livermore National Laboratory