Sodium - 11Na: physical properties
Density properties
- Density of solid: 968 kg m‑3
- Molar volume: 23.78 cm3
Elastic properties
- Young's modulus: 10 GPa
- Rigidity modulus: 3.3 GPa
- Bulk modulus: 6.3 GPa
- Poisson's ratio: (no data) (no units)
Hardnesses
- Mineral hardness: 0.5 (no units)
- Brinell hardness: 0.69 MN m-2
- Vickers hardness: (no data) MN m-2
Electrical properties
- Electrical resistivity: 4.9 × 10‑8 Ω m; or mΩ cm
Heat and conduction
- Thermal conductivity: 140 W m‑1 K‑1
- Coefficient of linear thermal expansion: 71 × 10‑6 K‑1
Optical properties
- Reflectivity: (no data) %
- Refractive index: (no data) (no units)
Acoustic properties
- Velocity of sound: 3200 m s‑1