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.