Atomic Radii
Atomic Radius
Bohr Radius
Covalent Radius
Van der Waals
| Gallium | |
| Electron Configuration | 2,8,18,3 |
| Electron Configuration | [Ar] 3d10 4s2 4p1 |
| Electronegativity | 1.81 |
| Enthalpy of Fusion | 5.59 kJ mol-1 |
| Enthalpy of Vaporisation | 270.3 kJ mol-1 |
| Heat Capacity | 25.86 J mol-1 K-1 |
| Thermal Conductivity | 40.6 W m-1 K-1 |
| Thermal Expansion | ? μm m-1 K-1 |
| Magnetic ordering | No data |
| Speed of sound | 2740 m s-1 |
| Mohs hardness | 1.5 |
| Brinell hardness | 60 MPa |
| Atomic Radii |
|
| Atomic Radius
|
130 pm |
| Bohr Radius
|
136 pm |
| Covalent Radius
|
126 pm |
| Van der Waals
|
187 pm |
| Oxidation States |
|
| Main
|
Ga+3 |
| Other
|
Ga+1, Ga+2 |
Ionisation Energies (kJ mol-1)  |
|
| M - M+ |
578.8 |
| M+ - M2+ |
1979 |
| M2+ - M3+ |
2963 |
| M3+ - M4+ |
6200 |
| M4+ - M5+ |
8700 |
| M5+ - M6+ |
11400 |
| M6+ - M7+ |
14400 |
| M7+ - M8+ |
17700 |
| M8+ - M9+ |
22300 |
| M9+ - M10+ |
26100 |