Ge
Germanium
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Ge |
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Germanium |
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| Atomic number | 32 |
| Atomic weight | 72.59 |
| Orbital electronic configuration | (Ar)3d104s24p2 |
| First ionization energy (eV) | 7.899 |
| Second ionization energy (eV) | 15.93 |
| Third ionization energy (eV) | 34.21 |
| Electronegativity (Pauling) | 2.01 |
| Atomic radius (Å) | 1.52 |
| Bonding radius (Å) | 1.22 |
| Oxidation states | 4 |
Properties |
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| Density (g/ml) | 5.32 |
| Melting point (K) | 1210.4 |
| Boiling point (K) | 3107 |
| Heat of vaporization (kJ/mol) | 330.90 |
| Heat of fusion (kJ/mol) | 36.940 |
| Specific heat capacity (Jg-1K-1) | 0.32 |
| Crystal structure | cubic, face centered |