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Henry Cavendish

hydrogen

Cavendish, Henry (1731–1810), English chemist and physicist who showed hydrogen to be a distinct gas, water to be a compound—not an elementary substance, and the composition of the atmosphere to be constant. He also used a torsion balance to measure the density of the earth (1798).

See also: Chemistry; Hydrogen.

Count Camillo Benso of Cavour [next] [back] Edith Louise Cavell

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