Indium (In) is a chemical element belonging to the category Post-transition metal, with atomic number 49 and atomic mass 114.8200 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Identity
- Name: Indium
- Symbol: In
- Atomic number: 49
- Atomic mass: 114.8200 u
Position in the periodic table
- Group: 13
- Period: 5
- Category: Post-transition metal
Physico-chemical properties
- Standard state: Solid
- Melting point: 156.6 °C
- Density: 7.31 g/cm³
- Electron configuration: [Kr] 4d¹⁰ 5s² 5p¹
Scientific description
Indium is a chemical element with symbol In and atomic number 49. It belongs to the category of Post-transition metal and occupies group 13 and period 5. Its standard atomic mass is 114.8200 u.