28 Ni
Transition metal
Nickel
Used in coins and stainless steel.
Properties of Nickel
- Atomic number (Z)
- 28
- Symbol
- Ni
- Atomic mass
- 58.693 g/mol
- Category
- Transition metal
- Group
- 10
- Period
- 4
- Electron configuration
- [Ar] 3d⁸ 4s²
- Electronegativity (Pauling)
- 1.91
- Atomic radius
- 149 pm
- First ionization energy
- 737 kJ/mol
- Melting point
- 1728 K (1454.8 °C)
- Boiling point
- 3186 K (2912.8 °C)
- Density
- 8.912 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1751
Frequently asked questions
What is Nickel?
Nickel (Ni) is a transition metal, element number 28 on the periodic table. Used in coins and stainless steel.
What is the atomic number and atomic mass of Nickel?
Nickel has atomic number 28 and an atomic mass of about 58.693 g/mol.
What is the electron configuration of Nickel?
The electron configuration of Nickel is [Ar] 3d⁸ 4s².
Where is Nickel on the periodic table?
Nickel sits in group 10, period 4, and is classified as a transition metal.