Calcium - 20Ca: physical properties
Density properties
- Density of solid: 1550 kg m‑3
- Molar volume: 26.20 cm3
Elastic properties
- Young's modulus: 20 GPa
- Rigidity modulus: 7.4 GPa
- Bulk modulus: 17 GPa
- Poisson's ratio: 0.31 (no units)
Hardnesses
- Mineral hardness: 1.75 (no units)
- Brinell hardness: 167 MN m-2
- Vickers hardness: (no data) MN m-2
Electrical properties
- Electrical resistivity: 3.4 × 10‑8 Ω m; or mΩ cm
Heat and conduction
- Thermal conductivity: 200 W m‑1 K‑1
- Coefficient of linear thermal expansion: 22.3 × 10‑6 K‑1
Optical properties
- Reflectivity: (no data) %
- Refractive index: (no data) (no units)
Acoustic properties
- Velocity of sound: 3810 m s‑1