Element overview
Silicon (Si) is element 14 with a listed atomic mass of 28.085 u. It is in group 14 and period 3. Its category is metalloid.
Atomic properties
Electron configuration: [Ne] 3s2 3p2. Electronegativity: 1.9. Common oxidation states: -4, +4.
Physical properties
Density: 2.3296; melting point: 1687; boiling point: 3538. Values depend on conditions, phase and source.