Nickel - 28Ni: physical properties
Density properties
Density of solid: 8908 kg m‑3
Molar volume: 6.59 cm3
Elastic properties
Young's modulus: 200 GPa
Rigidity modulus: 76 GPa
Bulk modulus: 180 GPa
Poisson's ratio: 0.31 (no units)
Hardnesses
Mineral hardness: 4.0 (no units)
Brinell hardness: 700 MN m-2
Vickers hardness: 638 MN m-2
![Heatscape representing the density of the elements](../_media/periodicity/tables/periodic_table_heatscape_white/density_heat_w.png)
![Heatscape representing the molar volume of the elements](../_media/periodicity/tables/periodic_table_heatscape_white/molar_volume_heat_w.png)
Electrical properties
Electrical resistivity: 7.2 × 10‑8 Ω m; or mΩ cm
Heat and conduction
Thermal conductivity: 91 W m‑1 K‑1
Coefficient of linear thermal expansion: 13.4 × 10‑6 K‑1
Optical properties
The image above is a virtual representation of nickel metal calculated by Patrick Callet using the complex diectric function of the element only.
Reflectivity: 72 %
Refractive index: (no data) (no units)
Acoustic properties
Velocity of sound: 4970 m s‑1