Gallium vs Indium
Pick up to 3 elements and see how they stack up.
| Property | Gallium | Indium |
|---|---|---|
| Atomic number | 31 | 49 |
| Atomic mass | 69.723 | 114.82 |
| Electronegativity | 1.81 | 1.78 |
| Melting point | 302.91 K (29.8 °C) | 429.75 K (156.6 °C) |
| Boiling point | 2,673 K (2,399.8 °C) | 2,345 K (2,071.8 °C) |
| Density | 5.91 g/cm³ | 7.31 g/cm³ |
| Atomic radius | 187 pm | 193 pm |
| Ionization energy | 5.999 eV | 5.786 eV |
| Discovered | 1875 | 1863 |
| Category | Post-transition metal | Post-transition metal |
| State at room temp. | Solid | Solid |
| Block | p | p |
| Group | 13 | 13 |
| Period | 4 | 5 |
| Valence electrons | 3 | 3 |
| Common charges | +3 | +3 |
| Electron configuration | [Ar] 3d10 4s2 4p1 | [Kr] 4d10 5s2 5p1 |