Hafnium
Physical properties
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Physical state @ 20°C:
Solid
Color:
Grey steel
Molecular weight (g/mol):
178.49(2) [1]
Melting point (°C):
2222 (or 2467) [1]
Boiling point (°C):
4450 [1]
Density (g/cm
3
):
13.28 [1]
Molar volume (cm
3
):
13.37 (20 °C) [2]
Elastic properties:
Young's modulus (GPa):
Rigidity modulus (GPa):
Bulk modulus (GPa):
Poisson ratio:
141 [2]
56 [2]
109 [2]
0.33-0.37 [2]