<chemistry> A rare element of the light platinum group, found associated with platinum ores, and isolated as a hard, brittle steel-gray metal which is very infusible. Specific gravity 12.26. See Platinum metals, under Platinum.

Atomic weight: 103.5

Symbol: Ru

Origin: NL. So named from the Ruthenians, a Little Russian people, as coming from Russia, the metal having been found in the Ural mountains.

(30 Mar 1998)

rutate, RUTH, ruth, ruthenic, ruthenious < Prev | Next > ruthenium compounds, ruthenium radioisotopes

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