Periodic System for Chemists
Table
28
58.69

Ni

Nickel

Identification

CAS Number: 7440-02-0
Discovery Year: 1751
Discoverer: Axel Cronstedt
Discovery Location: Sweden

Properties

Atomic Mass: 58.6934 →Density: 8.9 g/cm³ →
Crust Abundance: 84 mg/kg
Crystal Structure: FCC

Atomic Dimensions

Atomic Radius: 135 pm →
Atomic Radius (Rahm): 229 pm
Covalent Radius: 124 pm →
Van der Waals Radius: 197 pm
Metallic Radius: 115 pm
Atomic Volume: 6.6 cm³/mol
Lattice Constant: 3.52 Å

Thermodynamics

Melting Point: 1726 K →Boiling Point: 3005 K →Specific Heat: 0.443 J/(g·K) →Thermal Conductivity: 90.9 W/(m·K) →Heat of Fusion: 17.61 kJ/mol →Heat of Vaporization: 378.6 kJ/mol →
Heat of Formation: 430.1 kJ/mol

Electronic Structure

Electron Config: [Ar] 3d8 4s2
Block: d
Period: 4 →Group: 10 →Electronegativity: 1.91 →Electron Affinity: 1.156 eV →
Oxidation States: +2, +3

Abundance & Geochemistry

Crust Abundance: 84 mg/kg
Sea Abundance: 0.00056 mg/L
Geochemical Class: first series transition metal
Goldschmidt Class: siderophile

About

Malleable ductile silvery metallic transition element. Discovered by A.F. Cronstedt in 1751.

Isotopes

Ni-58 58 68.08%
Ni-60 60 26.22%
Ni-62 62 3.63%
Ni-61 61 1.14%
Ni-64 64 0.9256%