He also made fundamental discoveries in many areas of science and discovered the elements palladium (1802) and rhodium (1804).
February 10 , 1840Stockholm, Sweden June 18 , 1905Uppsala, Sweden Per Teodor Cleve, (born Feb. 10, 1840, Stockholm, Swed. died June 18 , 1905 Uppsala) Swedish chemist who discovered the elements holmium and thulium.
His latest album, released under the moniker The Inward Circles, had a characteristic starting point: Skelton buried a violin in the earth, and although he would normally expect the sound of an instrument to be altered,when he exhumed his violin he discovered the elements had rendered it absolutely unplayable.
April 18 , 1838Cognac, France May 28 , 1912Paris, France Paul-Émile Lecoq de Boisbaudran, (born April 18 , 1838 Cognac, Fr. died May 28 , 1912 Paris) French chemist who developed improved spectroscopic techniques for chemical analysis and discovered the elements gallium (1875), samarium (1880), and dysprosium (1886).
May 16, 1763 Saint-Andre-d'Hebertot, France November 14, 1829 Saint-Andre-d'Hebertot, France Nicolas-Louis Vauquelin, (born May 16, 1763, Saint-André-d'Hébertot, France died Nov. 14, 1829, Saint-André-d'Hébertot) French chemist who discovered the elements chromium (1797) and beryllium (1798).
In 1898, he discovered the elements krypton, neon, and xenon, and named them after the Greek words (, "hidden"), (, "new"), and (, "stranger"), respectively.
Swedish chemist who in 1802 discovered the element tantalum.
While studying a compound of cerium, he discovered the element lanthanum in 1839.
Bernard Courtois, (born Feb. 8, 1777, Dijon, Fr. died Sept. 27, 1838, Paris), French chemist who discovered the element iodine.
The English chemist Smithson Tennant discovered the element together with iridium in the residues of platinum ores not soluble in aqua regia.
Since a particle accelerator was required to produce technetium, it was considered unlikely that the Noddacks had actually discovered the element.
