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Nickel (Ni) – Element 28 of the periodic table

Nickel (symbol Ni) is element number 28 of the periodic table and belongs to the “Transition metal” category. Its atomic mass is about 58.693, and its phase under standard conditions is Solid. This element sits in period 4 and group 10 of the periodic table, and its electrons are arranged in shells of 2, 8, 16, 2. The short electron configuration of Nickel is [Ar] 3d⁸ 4s². Known uses of Nickel include Stainless steel, Coins and Nickel-cadmium batteries.

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Properties of Nickel

Atomic number
28
Chemical symbol
Ni
Atomic mass
58.693
Category
Transition metal
Period
4
Group
10
Phase
Solid
Protons
28
Electrons
28
Neutrons (approx.)
31
Electron shells
2, 8, 16, 2
Outer-shell electrons
2
Discovered
Axel Fredrik Cronstedt (1751)

Electron configuration of Nickel

The electron configuration of Nickel (Ni), with 28 electrons, is shown below. The last shell (shell 4) is highlighted:

Full configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁸ 4s²
Short configuration
[Ar] 3d⁸ 4s²
Last shell
4s²

What is electron configuration and how is it written?

Electron shells of Nickel

Distribution of 28 electrons of Nickel across shells K to N:

  1. K2
  2. L8
  3. M16
  4. N2

What is a transition metal?

The transition metals are the d-block elements: usually good conductors of heat and electricity, with several oxidation states, and they form colourful compounds and important catalysts.

Uses of Nickel

Frequently asked questions about Nickel

What is the atomic number of Nickel?

The atomic number of Nickel (Ni) is 28; that is, every atom of it has 28 protons.

What is the electron configuration of Nickel?

The electron configuration of Nickel (Ni) is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁸ 4s²; in short form it is [Ar] 3d⁸ 4s², and its last shell is 4s².

What is the chemical symbol of Nickel?

The chemical symbol of Nickel is Ni.

Where is Nickel located in the periodic table?

Nickel is located in period 4 and group 10 and belongs to the “Transition metal” category.

What is the atomic mass of Nickel?

The atomic mass of Nickel is about 58.693 (atomic mass units).

What is the phase of Nickel under normal conditions?

The phase of Nickel under standard conditions is Solid.

What are the uses of Nickel?

Uses of Nickel include Stainless steel, Coins and Nickel-cadmium batteries.

Who discovered Nickel?

Nickel was discovered by Axel Fredrik Cronstedt in 1751.

Elements in the same category as Nickel (Transition metal)

Scandium (Sc)Titanium (Ti)Vanadium (V)Chromium (Cr)Manganese (Mn)Iron (Fe)Cobalt (Co)Copper (Cu)Zinc (Zn)Yttrium (Y)Zirconium (Zr)Niobium (Nb)Molybdenum (Mo)Technetium (Tc)Ruthenium (Ru)Rhodium (Rh)Palladium (Pd)Silver (Ag)Cadmium (Cd)Hafnium (Hf)

See all Transition metals

Nickel’s group 10 neighbours

Palladium (Pd)Platinum (Pt)Darmstadtium (Ds)

Group 10 of the periodic table