Germanium

Physical properties
Content created by REAL intelligence since 2016


Physical state @ 20°C: Solid [5]
Color: Gray [5]
Luminescence: -
Luster: -
Transparancy: -
Streak: -
Odor: Odorless [5]

Molecular weight (g/mol): 72.630(8) [11]
Melting point (°C): List of melting points 945 [3]
Boiling point (°C): List of boiling points 2850 [3]
Density (g/cm3): Density list 5.323 (alpha form) [3]
6.71 (beta form) [3]
Relative vapor density (g/cm3): -
Molar volume (cm3): 13.60 (20 °C) [4]
Vapor pressure: -
Critical temperature (°C): -
Critical pressure (kPa): -

Elastic properties:
Young's modulus (GPa):
Rigidity modulus (GPa):
Bulk modulus (GPa):
Poisson ratio:
80 [4]
30 [4]
80 [4]
0.34 [4]
Hardness:
Mineral hardness:
Brinell hardness (MN/m2):
Vicker hardness (MN/m2):
1.5-2.5 [4]
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-

Reflectivity (%): -
Refractive index: -
Velocity of sound (m/s): -
Surface tension: -

Solubility: Water: Insoluble (20 °C) [5]

Decomposition temperature: n/a
Flammability: -
Flash point: -
Auto ignition temperature: -
flammability or explosive limits (% v/v):
Upper:
Lower:

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