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Silicon

Silicon (Si) is a metalloid with atomic number 14 and atomic mass 28.0850 u. This sheet describes its fundamental properties, periodic position and physical characteristics.

Identity

  • Name: Silicon
  • Symbol: Si
  • Atomic number: 14
  • Atomic mass: 28.0850 u

Position in the periodic table

  • Group: 14
  • Period: 3
  • Block: p-block
  • Category: Metalloid

Physico-chemical properties

  • Standard state: Solid
  • Melting point: 1414°C (1687 K)
  • Boiling point: 3265°C (3538 K)
  • Density: 2.33 g/cm³
  • Electron configuration: [Ne] 3s² 3p²

Scientific description

Silicon is a chemical element belonging to the metalloids. It occupies group 14 and period 3 of the periodic table. Its standard atomic mass is 28.0850 u.


KODO: H5