28 Ni 58.693 Nickel Transition metal

Tough, corrosion-resistant and magnetic — and the second-biggest ingredient in stainless steel.

Atomic number
28
Atomic mass
58.693 u
Phase
Solid
Electron configuration
[Ar] 3d⁸ 4s²
Melting point
1,728 K · 1,454.9 °C
Boiling point
3,186 K · 2,912.9 °C
Density
8.908 g/cm³
Electronegativity
1.91
Period / Group
4 / 10
Discovery year
1751
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