| Property | Value |
|---|---|
| Atomic number | 49 |
| Atomic weight | 114.8183 amu |
| Element family | Other metals |
| Electronic configuration | 1s2 |
| Stable and very long lived isotopes | 113In: 4.29% |
| Previous element | Cadmium |
| Next element | Tin |
| Density | 7.31 g/cm3 (STP) |
| Melting | 156.76 °C |
| Boiling | 2080 °C |
| Covalent radius | 1.42 Å |
| Van der Waals radius | 1.93 Å |
| Ionic radius | 0.8 Å |
| Metallic radius | 1.67 Å |
| First ionization potential | 5.786 eV |
| Electron affinity | 0.384 eV |
| Electronegativity | 1.78 |
| Discovery year | 1863 |
| Sample reactions |
|---|
| In + O2 = In2O3 |
| In + Cl = InCl3 |
Indium is an element number 49 from other metals family. Its symbol is In. Indium atomic weight is 114.8183 amu. In stable and long lived isotopes are 113In: 4.29%. Indium electronic configuration is 1s22s22p63s23p63d104s24p64d105s25p1. Sample compounds that contain Indium are In(OH)3, In2O3, InCl3.
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