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Atomic Number: 28
Ni
Ni

Nickel

58.6930 u

Category

transition metal

State at Room Temperature

solid

Electron Configuration

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸

Valence Electrons

2

Lewis Dot:••

Electronegativity

1.91

Pauling scale

Oxidation States

+2+3

Melting Point

1728 K

1454.85°C

Boiling Point

3003 K

2729.85°C

Density

8.908

g/cm³

Position in Table

Group 10Period 4d-block

Discovery

Historical Information

Discovered byAxel Fredrik Cronstedt
Year1751

Common Uses

Applications & Industries

Stainless steel, batteries, coins, electroplating

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