Aluminum vs Gallium
Pick up to 3 elements and see how they stack up.
| Property | Aluminum | Gallium |
|---|---|---|
| Atomic number | 13 | 31 |
| Atomic mass | 26.982 | 69.723 |
| Electronegativity | 1.61 | 1.81 |
| Melting point | 933.47 K (660.3 °C) | 302.91 K (29.8 °C) |
| Boiling point | 2,743 K (2,469.8 °C) | 2,673 K (2,399.8 °C) |
| Density | 2.7 g/cm³ | 5.91 g/cm³ |
| Atomic radius | 184 pm | 187 pm |
| Ionization energy | 5.986 eV | 5.999 eV |
| Discovered | 1825 | 1875 |
| Category | Post-transition metal | Post-transition metal |
| State at room temp. | Solid | Solid |
| Block | p | p |
| Group | 13 | 13 |
| Period | 3 | 4 |
| Valence electrons | 3 | 3 |
| Common charges | +3 | +3 |
| Electron configuration | [Ne] 3s2 3p1 | [Ar] 3d10 4s2 4p1 |