Terbium - ₆₅Tb: physical properties

Density properties

Density of solid: 8219 kg m^‑3
Molar volume: 19.30 cm³

Elastic properties

Young's modulus: 56 GPa
Rigidity modulus: 22 GPa
Bulk modulus: 38.7 GPa
Poisson's ratio: 0.26 (no units)

Hardnesses

Mineral hardness: (no data) (no units)
Brinell hardness: 677 MN m^-2
Vickers hardness: 863 MN m^-2

Heatscape representing the density of the elements — Heatscape picture representing the density of the periodic table elements.

Heatscape representing the molar volume of the elements — Heatscape representing the molar volume of the periodic table elements.

Electrical properties

Electrical resistivity: 115 × 10^‑8 Ω m; or mΩ cm

Heat and conduction

Thermal conductivity: 11 W m^‑1 K^‑1
Coefficient of linear thermal expansion: 10.3 × 10^‑6 K^‑1

Optical properties

Reflectivity: (no data) %
$refractive index of the chemical elements displayed on a miniature periodic table$ Refractive index: (no data) (no units)

Acoustic properties

Velocity of sound: 2620 m s^‑1