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Sodium

Sodium (Na) is a chemical element belonging to the category Alkali metal, with atomic number 11 and atomic mass 22.9900 u.

Identity

  • Name: Sodium
  • Symbol: Na
  • Atomic number: 11
  • Atomic mass: 22.9900 u

Position in the periodic table

  • Group: 1
  • Period: 3
  • Category: Alkali metal

Physico-chemical properties

  • Standard state: Solid
  • Melting point: 97.8°C
  • Density: 0.97 g/cm³
  • Electron configuration: [Ne] 3s¹

Scientific description

Sodium is a chemical element with symbol Na and atomic number 11. It belongs to the alkali metals, group 1 and period 3. Standard atomic mass: 22.9900 u.


KODO: H2