| name | Indium |
| latin | Indium |
| french | Indium |
| german | Indium |
| symbol | In |
| proton number | 49 |
| atomic weight | 114.818 |
| Pauling electronegativity | 1.78 |
| electronic configuration | [Kr] 4d105s25p1 1s22s22p63s23p63d104s24p64d105s25p1 |
| melting point | 429.75 K, 156.6°C, 313.88°F |
| boiling point | 2345 K, 2072°C, 3761°F |
| group | 13 |
| period | 5 |
| state (by 20°C) | solid |
| oxidation states | +3 |
| Year of discovery | Discoverers |
| 1863 | Ferdinand Reich Hieronymus T. Richter |