Samarium (Sm) is a chemical element of the lanthanide series, atomic number 62 and standard atomic weight 150.36 u. This entry describes its fundamental properties, periodic position and physical-chemical characteristics.
Identity
- Name: Samarium
- Symbol: Sm
- Atomic number: 62
- Standard atomic weight: 150.36 u
Position in the periodic table
- Series: Lanthanide
- Period: 6
- Block: f-block
Physical-chemical properties
- Standard state: Solid
- Melting point: 1072 °C
- Density: ≈ 7.52 g/cm³
- Electron configuration: [Xe] 4f⁶ 6s²
Scientific description
Samarium is a chemical element with symbol Sm and atomic number 62. It belongs to the lanthanide series and is situated in period 6. Its standard atomic weight is 150.36 u. It is a solid metal with a melting point of approximately 1072 °C and a density of about 7.52 g/cm³. Its electron configuration is [Xe] 4f⁶ 6s².