28
Ni
Nickel
Nickel
Nickel (Ni)
Transition Metals · Solid · Period 4 · Group 10
Element Properties
- Atomic Number
- 28
- Symbol
- Ni
- Atomic Mass
- 58.693
- Category
- Transition Metals
- Standard State
- Solid
- Period
- 4
- Group
- 10
- Electronegativity
- 1.91
- Atomic Radius
- 163
- Ionization Energy
- 7.64
- Electron Affinity
- 1.16
- Oxidation States
- +3, +2
- Melting Point
- 1728 K (1454.85 °C)
- Boiling Point
- 3186 K (2912.85 °C)
- Density
- 8.912
- Electron Configuration
- [Ar]4s2 3d8
- Year Discovered
- 1751
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Frequently asked questions
What is the atomic number of Nickel?
The atomic number of Nickel is 28, which equals the number of protons in its nucleus.
What is the atomic mass of Nickel?
The atomic mass of Nickel is approximately 58.693 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Nickel?
The electron configuration of Nickel is [Ar]4s2 3d8.
Where is Nickel in the periodic table?
Nickel is located in period 4, group 10.
When was Nickel discovered?
Nickel was discovered in 1751.