| Element | Gallium | Symbol | Ga |
| Atomic Number | 31 | Molar Mass | 69.72 gmol-1 |
| Electron Configuration | [Ar]3d104s24p1 | Normal State | solid metal |
| Density @STP | 5.91 g cm-3 | Melting Point | 30oC |
| Boiling Point | 2204oC | Stable Isotopes | 69Ga, 70Ga |
| Atomic Radius | 153 pm | Ionic Radius | 62 (3+) pm |
| Electronegativity (Pauling) | 1.81 | Ionization Energy (1st) | 579 kJ mol-1 |
| Ionization Energy (2nd) | 1979 kJ mol-1 | Ionization Energy (3rd) | 2963 kJ mol-1 |
| Molar Heat Capacity | 26.1 J K-1mol-1 | Standard Molar Entropy | 40.8 J K-1mol-1 |
| Enthalpy of Fusion | 5.59 kJ mol-1 | Enthalpy of Vapourization | 256.1 kJ mol-1 |