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Answer :

Answer:

Os and atomic number 76.

Explanation:

It is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores.

Answer:

The answer is 76

Explanation:

Osmium (Os), chemical element, one of the platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table and the densest naturally occurring element.

Osmium.

atomic number76atomic weight190.2melting point3,000° C (5,432° F)boiling pointabout 5,000° C (9,032° F)specific gravity22.48 (20°