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Barium

Barium (Ba) is a chemical element belonging to the category Alkaline earth metal, with atomic number 56 and atomic mass 137.3270 u.

Identity

  • Name: Barium
  • Symbol: Ba
  • Atomic number: 56
  • Atomic mass: 137.3270 u

Position in the periodic table

  • Group: 2
  • Period: 6
  • Category: Alkaline earth metal

Physico-chemical properties

  • Standard state: Solid
  • Melting point: Medium (650°C to 1280°C)
  • Density: Medium
  • Electron configuration: [Xe] 6s²

Scientific description

Barium is a chemical element with symbol Ba and atomic number 56. It belongs to the alkaline earth metals. Its standard atomic mass is 137.3270 u.


KODO: M2