Erbium
Erbium (Er) is a chemical element belonging to the category Inner transition metal, with atomic number 68 and atomic mass 167.2600 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Identity
- Name: Erbium
- Symbol: Er
- Atomic number: 68
- Atomic mass: 167.2600 u
Position in the periodic table
- Group: 3
- Period: 6
- Category: Inner transition metal
Physico-chemical properties
- Standard state: Solid
- Melting point: Approx. 1529°C
- Density: Approx. 9.07 g/cm³
- Electron configuration: [Xe] 4f¹² 6s²
Scientific description
Erbium is a chemical element with symbol Er and atomic number 68. It belongs to the category of Inner transition metal and occupies group 3 and period 6. Its standard atomic mass is 167.2600 u.
KODO: N5