Astatine: physical properties
Mechanical properties
Density properties
Density of solid: 6400 (estimated) kg m‑3
Molar volume: 33 (rough estimate based upon density estimate) cm3
Elastic properties
Young's modulus: (no data) GPa
Rigidity modulus: (no data) GPa
Bulk modulus: (no data) GPa
Poisson's ratio: (no data) (no units)
Hardnesses
Mineral hardness: (no data) (no units)
Brinell hardness: (no data) MN m-2
Vickers hardness: (no data) MN m-2
Electrical properties
Electrical resistivity: (no data) × 10‑8 Ω m; or mΩ cm
Heat and conduction
Thermal conductivity: 1.7 (estimate) W m‑1 K‑1
Coefficient of linear thermal expansion: (no data) × 10‑6 K‑1
Optical properties
Reflectivity: (no data) %
Refractive index: (no data) (no units)
Acoustic properties
Velocity of sound: (no data) m s‑1
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