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Astronomy Chemical element

Kalifornio

Kalifornio (Cf) is a chemical element belonging to the category Inner transition metal (actinide series), with atomic number 98 and atomic mass 251.0000 u. This sheet describes its fundamental properties, periodic position and physical characteristics.

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Astronomy · Chemical element

Californium

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Identity

  • Name: Kalifornio
  • Symbol: Cf
  • Atomic number: 98
  • Atomic mass: 251.0000 u

Position in the periodic table

  • Group: 3
  • Period: 7
  • Category: Inner transition metal (actinide series)

Physico-chemical properties

  • Standard state: Solid
  • Melting point: Very high (around 900°C)
  • Density: Very high
  • Electron configuration: [Rn] 5f¹⁰ 7s²

Scientific description

Kalifornio is a chemical element with symbol Cf and atomic number 98. It belongs to the category of Inner transition metal (actinide series) and occupies group 3 and period 7. Its standard atomic mass is 251.0000 u.