- 1737 – George Brandt, discovered Cobalt. From the German word kobalt or
kobold (evil spirit). - 1766 – Henry Cavendish discovered Hydrogen. From the Greek words hud™r
(water) and gennan (generate). - 1774 – John Priestly discovered Oxygen. From the Greek words oxus
(acid) and gennan (generate). - 1774 – Carl Wilhelm Scheele discovered chlorine.
- 1789
Martin Klaproth discovered Uranium. After the planet Uranus.
Martin Klaproth discovered Zirconium. Named from Zircon (mineral). - 1794 – Johann Gadolin discovered Yttrium. After Ytterby (a town in
Sweden). - 1803 – Smithson Tenant discovered Osmium. From the Greek word osm‘
(odor). - 1807
Humphrey Davy discovered Potassium. From the Latin word kalium.
Humphrey Davy discovered Sodium. From the Latin word natrium
(sodium). - 1808
Humphrey Davy discovered Calcium. From the Latin word calcis
(lime).
Humphrey Davy discovered Barium. From the Greek word barys
(heavy). - 1817 – Johann Arfvedson discovered Lithium. From the Greek word lithos
(stone). - 1878 – Jena de Marignac discovered Ytterbium. After Ytterby (a town in
Sweden). - 1886
Joseph Henri Moissan discovered Fluorine. From the Latin word fluo
(flow).
Paul Emile Lecoq de Boisbaudran discovered Dysprosium. From the
Greek word dysprositos (hard to get at). - 1894 – William Ramsey discovered Argon. From the Greek word argon
(inactive). - 1895 – William Ramsey discovered Helium. From the Greek word hlios
(sun). - 1898
William Ramsey discovered Neon. From the Greek word neos (new).
William Ramsey discovered Krypton. From the Greek word xenon
(stranger).
William Ramsey discovered Xenon. From the Greek word kryptos
(hidden).
Fredrich Ernst Dorn discovered Radon. From Radium.
Pierre and Marie Curie discovered Polonium. From Poland. - 1907 – Georges Urbain discovered Lutetium. From Lutetia (ancient name
of Paris). - 1957 – Nobel Institute for Physics discovered Nobelium. After Alfred
Nobel. - 1961 – Albert Ghiorso discovered Lawrencium. After Ernest Lawrence.
- 1970 – Albert Ghiorso discovered Dubnium. After Dubna, Russia.
Timeline of Chemical Element Discovery
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