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Physical Properties |
Symbol |
Ge |
Atomic Number |
32 |
Atomic Weight |
72.59 |
Atomic Density at 20°C, atoms/cm^3 |
4.416 x 10^22 |
Lattice Parameter at 23°C, Å |
0.565754 |
Crystal Structure |
Diamond Cubic |
Density at 25°C, g/cm^3 |
5.323 |
Hardness, Mohs Scale |
6.3 |
Surface Tension at m.p., dynes/cm |
650 |
Modulus of Rupture, Mpa |
72.4 |
dn/dT |
+4.0 x 10^-4 K^-1 |
| Thermal Properties | |
Melting Point,°C |
937.4 |
Boiling Point,°C |
2830 |
Heat Capacity, 25°C, J/(kg•K) |
322 |
Latent Heat of Fusion, J/g |
466.5 |
Latent Heat of Vaporization, J/g |
4602 |
Thermal Conductivity @ 300K, W/(m•K) |
59.9 |
Coefficient of Linear Expansion @ 300K |
6.0 x 10^-6 K^-1 |
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External links
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