Aluminium
Post-transition metal| Atomic number | 13 |
|---|---|
| Category | Post-transition metal |
| Atomic mass | 26.982 |
| Electron configuration | [Ne]3s² 3p¹ |
| Oxidation states | +3 |
| Electronegativity | 1.61 |
| Melting point | 660.3 °C |
| Boiling point | 2,470 °C |
| Density | 2.7 g/cm³ |
| Crystal structure | Face-centred cubic |
| Group | 13 |
| Period | 3 |
| Block | p |
| Discovered | 1,825 |
| Crustal abundance | 82,300 ppm |
