| Aluminium ✕ | |
|---|---|
| Symbol | Al |
| Atomic number | 13 |
| Chemical property | Post-transition metal |
| Origin o the name | from alumina, a compound (originally alumium) |
| Group | 13 |
| Period | 3 |
| Atomic weight (u) | 26.981539 |
| Atomic weight uncertainty (u) | 0.000001 |
| Density (g/cm³) | 2.698 |
| Melting point (K) | 933.47 |
| Boiling point (K) | 2792 |
| Heat capacity (J/(g·K)) | 0.897 |
| Electro-negativity | 1.61 |
| Abundance in earth's crust (mg/kg) | 82300 |