chromium

Atomic number: 24
Atomic weight: 51.9961
Symbol: Cr
Group number: 6
Electronic configuration: [Ar].3d⁵.4s¹

Physical data

Standard state: solid at 298 K
Colour: silvery metallic
Density of solid at ambient temperature/kg m-3: 7140
Molar volume/cm3: 7.23

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