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Astronomy Chemical element

Cerium

Cerium (Ce) is a lanthanide and inner transition metal with atomic number 58 and atomic mass 140.1160 u. This sheet describes its fundamental properties, periodic position and physical characteristics.

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Astronomy · Chemical element

Cerium

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Identity

  • Name: Cerium
  • Symbol: Ce
  • Atomic number: 58
  • Atomic mass: 140.1160 u

Position in the periodic table

  • Group: 3 (lanthanide)
  • Period: 6
  • Category: Inner transition metal (lanthanide)

Physico-chemical properties

  • Standard state: Solid
  • Melting point: 799°C
  • Boiling point: 3443°C
  • Density: 6.77 g/cm³
  • Electron configuration: [Xe] 4f¹ 5d¹ 6s²

Scientific description

Cerium is a chemical element with symbol Ce and atomic number 58. It is part of the lanthanides, a subgroup of the inner transition metals. Cerium occupies period 6 and is generally associated with group 3. Its standard atomic mass is 140.1160 u.