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| Ga | Gallium | Metal |
| Atomic number: | 31 | Atomic weight: | 69.723 | ||
| Shells: | 2,8,18,3 | Orbitals: | [Ar] 3d10 4s2 4p1 | ||
| Melting point: | 29.78°C | Boiling point: | 2204°C | ||
| Covalent radius: | 1.26 | Å | Atomic volume: | 11.8 | cm³/mol |
| Atomic radius: | 1.81 | Å | Ionic radius: | .62 (+3) | Å |
| Electronegativity: | 1.81 | Oxidation states: | |||
| 1st ionization pot.: | 5.9993 | V | 2nd ionization pot.: | 20.51 | V |
| 3rd ionization pot.: | 30.71 | V | Specific heat: | 0.37 | J/gK |
| Heat of fusion: | 5.590 | kJ/mol | Heat of vapor.: | 258.70 | kJ/mol |
| Thermal conduct.: | 0.406 | W/cmK | Electrical conduct.: | 0.0678 | 10^6/cm ohm |
| Density: | 5.907 | g/cm³ | Valence: | 2,3 |
