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.
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.