Dysprosium (Dy) is a lanthanide (f-block rare-earth metal) with atomic number 66 and atomic mass 162.50 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Identity
- Name: Dysprosium
- Symbol: Dy
- Atomic number: 66
- Atomic mass: 162.50 u
Position in the periodic table
- Series: Lanthanides
- Period: 6
- Block: f
Physico-chemical properties
- Standard state: Solid
- Melting point: 1412°C
- Density: 8.55 g/cm³
- Electron configuration: [Xe] 4f¹⁰ 6s²
Scientific description
Dysprosium is a chemical element with symbol Dy and atomic number 66. It belongs to the lanthanide series of rare-earth elements and lies in the f-block of period 6. Its standard atomic mass is 162.50 u.