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Atomic Number: 24
Cr
Cr

Chromium

51.9960 u

Category

transition metal

State at Room Temperature

solid

Electron Configuration

1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d⁵

Valence Electrons

1

Lewis Dot:

Electronegativity

1.66

Pauling scale

Oxidation States

+2+3+6

Melting Point

2180 K

1906.85°C

Boiling Point

2944 K

2670.85°C

Density

7.19

g/cm³

Position in Table

Group 6Period 4d-block

Discovery

Historical Information

Discovered byLouis Nicolas Vauquelin
Year1797

Common Uses

Applications & Industries

Stainless steel, chrome plating, pigments, leather tanning

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