Atomic Properties
- Atomic Number
- 49
- Atomic Mass
- 114.8200 u
- Electron Configuration
- [Kr] 4d10 5s2 5p1
- Electronegativity
- 1.78
- Block
- p-block
- Group
- 13
- Period
- 5
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 429.75 K
- Boiling Point
- 2345.00 K
- Density
- 7.3100 g/cm³
About Indium
Soft metal; used in touchscreens, LCDs, and low-melting alloys.
Isotopes of Indium
Indium has 2 naturally occurring isotopes.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 113In | 113 | 112.9040618 | 4.290% | Stable |
| 115In | 115 | 114.9038788 | 95.71% | Stable |
Data source: NIH PubChem (aggregated from IUPAC, NIST)