Periodic Table of the Elements: Osmium

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Periodic Table of the Elements: Osmium
Atomic Number:76
Atomic Symbol:Os
 Osmiumosmium
, metallic chemical element; symbol Os; at. no. 76; at. wt. 190.23; m.p. 3,045±30°C;; b.p. 5,027±100°C;; sp. gr. 22.57 at 20°C;; valence usually +0 to +8.
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Atomic Weight:190.23
Electron Configuration:2 · 8 · 18 32 · 14 · 2
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