Nickel (Ni) is a transition metal with atomic number 28 and atomic mass 58.693 u. This sheet describes its fundamental properties, periodic position and physico-chemical characteristics.
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Astronomy · Chemical element
Nickel
ELS
Identity
Name: Nickel
Symbol: Ni
Atomic number: 28
Atomic mass: 58.693 u
Position in the periodic table
Group: 10
Period: 4
Category: Transition metal
Physico-chemical properties
Standard state: Solid
Melting point: 1455 °C
Boiling point: 2913 °C
Density (20 °C): 8.90 g/cm³
Electron configuration: [Ar] 3d⁸ 4s²
Scientific description
Nickel is widely used in stainless steels, superalloys and rechargeable batteries such as Ni-MH and lithium-ion systems.