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Astronomy Chemical element

Kobalto

Kobalto (Co) is a chemical element belonging to the category Transition metal, with atomic number 27 and atomic mass 58.9330 u. This sheet describes its fundamental properties, periodic position and physical characteristics.

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Astronomy · Chemical element

Cobalt

ELR

Identity

  • Name: Kobalto
  • Symbol: Co
  • Atomic number: 27
  • Atomic mass: 58.9330 u

Position in the periodic table

  • Group: 9
  • Period: 4
  • Category: Transition metal

Physico-chemical properties

  • Standard state: Solid
  • Melting point: About 1495°C
  • Density: About 8.86 g/cm³ (high)
  • Electron configuration: [Ar] 3d⁷ 4s²

Scientific description

Kobalto is a chemical element with symbol Co and atomic number 27. It belongs to the category of Transition metal and occupies group 9 and period 4. Its standard atomic mass is 58.9330 u.