| Gallium ✕ | |
|---|---|
| Symbol | Ga |
| Atomic number | 31 |
| Chemical property | Post-transition metal |
| Origin o the name | Gallia, the Latin name for France |
| Group | 13 |
| Period | 4 |
| Atomic weight (u) | 69.723 |
| Atomic weight uncertainty (u) | 0.001 |
| Density (g/cm³) | 5.907 |
| Melting point (K) | 302.9146 |
| Boiling point (K) | 2673 |
| Heat capacity (J/(g·K)) | 0.371 |
| Electro-negativity | 1.81 |
| Abundance in earth's crust (mg/kg) | 19 |