NO. 028Transition

Ni

Nickel

Nickel is a corrosion-resistant metal widely used in alloys, coins, and rechargeable batteries.

Crystal Structure

Face-centered cubic (fcc)

Atomic Mass58.69 u

Density8.91 g/cm³

Melting Point1728 K

Boiling Point3186 K

Atomic Radius124 pm

Electronegativity1.91

Ionization Energy737 kJ/mol

Electron Affinity112 kJ/mol

Bonding TypeMetallic

Oxidation States2, 3

Acid/BaseBasic

ReactivityLow

Electron Configuration

[Ar] 3d8 4s2

Discovered ByAxel Fredrik Cronstedt

Year1751

Known Isotopes

Ni-58Ni-60Ni-61Ni-62Ni-64