Al
Aluminum
Element 13 · Post-transition metal · Period 3, Group 13
Solid · Discovered Ancient
Atomic Properties
| Atomic Number | 13 |
| Atomic Mass | 26.981538u |
| Electron Configuration | [Ne]3s2 3p1 |
| Electronegativity | 1.61Pauling |
| Atomic Radius | 184pm |
| Ionization Energy | 5.986eV |
| Electron Affinity | 0.441eV |
| Oxidation States | +3 |
Physical Properties
| Standard State | Solid |
| Melting Point | 933.437K |
| Boiling Point | 2792K |
| Density | 2.7g/cm³ |
| Group Block | Post-transition metal |
| Year Discovered | Ancient |