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Astronomy Chemical element

Dysprosium

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.

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Astronomy · Chemical element

Dysprosium

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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.