Carbon
Content created by REAL intelligence since 2016
Naming and classification
Physical properties
Reactions
Thermodynamic properties
Crystal structure
Atom properties
Electrochemical properties
Biological properties
Occurrence, isolation & synthesis
Isotopes
Safety
Uses
History
References
Physical state @ 20°C:
Solid [3]
Color:
Can exist as either black graphite [3], (known as charcoal in the powdered form) or as the colourless gem diamond. Color is variable and tends toward pale yellows, browns, grays, and also white, blue, black, reddish, greenish and colorless.
Luminescence:
-
Luster:
-
Transparancy:
-
Streak:
-
Odor:
Odorless as graphite [3]
Molecular weight (g/mol):
12.0096 [9]
Melting point (°C):
4492 (Triple point) [2]
3800 (graphite) [3]
Boiling point (°C):
3825 (Sublimation) [2]
Density (g/cm3 ):
3.514 (Diamond) [1]
2.2 (Graphite, 20 °C) [3]
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:
- - - -
Hardness:
Mineral hardness:
Brinell hardness (MN/m2 ):
Vicker hardness (MN/m2 ):
- - -
Reflectivity (%):
-
Refractive index:
Diamond: 2.4173 [2]
Velocity of sound (m/s):
-
Surface tension:
-
Solubility:
Water: Insoluble (20 °C) (graphite) [3]
Decomposition temperature:
-
Flammability:
-
Flash point:
-
Auto ignition temperature:
-
flammability or explosive limits (% v/v):
Upper:
Lower:
- -