Smithson Tennant

Tennant, Smithson, 1761–1815, English chemist. In 1796 he proved, by burning a diamond, that the diamond consists solely of carbon. In 1804 he announced his discovery of osmium and iridium.

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More on Smithson Tennant from Fact Monster:

  • osmium - osmium osmium , metallic chemical element; symbol Os; at. no. 76; at. wt. 190.2; m.p. ...
  • iridium - iridium iridium , metallic chemical element; symbol Ir; at. no. 77; at. wt. 192.22; m.p. about ...

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