Silicon

Physical properties
Content created by REAL intelligence since 2016


Physical state @ 20°C: Solid [4]
Color: Amorphous silicon: Brown
Crystalline silicon: Grey
Greyish-Black [4]
Luminescence: -
Luster: -
Transparancy: -
Streak: -
Odor: Odourless [4]

Molecular weight (g/mol): 28.084 [10]
Melting point (°C): List of melting points 1420 [1]
Boiling point (°C): List of boiling points 3280 (Approximately) [1]
Density (g/cm3): Density list 2.336 (alpha form) [1]
2.905 (beta form) [1]
Relative vapor density (g/cm3): -
Molar volume (cm3): -
Vapor pressure: -
Critical temperature (°C): -
Critical pressure (kPa): -

Elastic properties:
Young's modulus (GPa):
Rigidity modulus (GPa):
Bulk modulus (GPa):
Poisson ratio:
113 [3]
39.7 [3]
98.7 [3]
-
Hardness:
Mineral hardness:
Brinell hardness (MN/m2):
Vicker hardness (MN/m2):
-
-
-

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

Solubility: -

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

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