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2 BCE
EARLY HISTORY
Carbon, Sulfur, Iron, Tin, Lead, Copper, Mercury, Silver, and Gold -
Arsenic, Antimony, Bismuth, and Zinc
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Cobalt
discovered by Swedish chemist Georg Brandt -
Platinum
Spanish military Leader Don Antonio de Ulloa -
Nickel
discovered by Swedish mineralogist Axel Fredrik Cronstedt -
Hydrogen
English chemist and physicist Henry Cavendish -
Nitrogen
Scottish physician and chemist Daniel Rutherford -
Chlorine, Manganese, and Oxygen
*Swedish chemist Carl Wilhelm Scheele
*Swedish mineralogist Johann Gottlieb Gahn discovers manganese .
*English chemist Joseph Priestley and Swedish chemist Carl Wilhelm Scheele discover oxygen