osmium

Atomic number: 76
Atomic weight: 190.23
Symbol: Os
Group number: 8
Electronic configuration: [Xe].4f¹⁴.5d⁶.6s²

Physical data

Standard state: solid at 298 K
Colour: bluish grey
Density of solid at ambient temperature/kg m-3: 22610
Molar volume/cm3: 8.42

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