28 Ni 58.693
Nickel
transition metal
Properties
- Atomic number
- 28
- Atomic mass
- 58.693 u
- Category
- transition metal
- Group
- 10
- Period
- 4
- Block
- d-block
- State (room temp)
- Solid
- Outer-shell electrons
- 2
- Electronegativity
- 1.91 (Pauling)
- Density
- 8.908 g/cm³
- Melting point
- 1454.85 °C
- Boiling point
- 2729.85 °C
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸
Noble-gas shorthand: [Ar] 3d⁸ 4s²
Electrons per shell: 2, 8, 16, 2 — that's 2 in the outermost shell.
About Nickel
Nickel is a chemical element with symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile.
- Discovered by Axel Fredrik Cronstedt
- Appearance: lustrous, metallic, and silver with a gold tinge
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.