Question

The Valency of osmium

Answer 1

Explanation:

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Answer 2

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+ 0 to + 8

gr. 22.57 at 20°C; valence usually +0 to +8.

Osmium is a very hard, brittle, lustrous bluish-white metal with a close-packed hexagonal crystalline structure. It immediately precedes iridium in Group 8 of the periodic table.

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