Symbol
Si
Atomic Number
14
Atomic Mass
28.085
Protons
14
Neutrons
14
Electrons
14
Type
Metalloid
Isotopes
Silicon-28, Silicon-29, Silicon-30
Discovery Year
1823
Discovered By
Jöns Jakob Berzelius
Group
14
Period
3
Boiling Point
5098°F
Melting Point
2577°F
Electron Configuration
[Ne] 3s² 3p²
Density (g/cm³)
2.3296
Crystal Structure
Diamond cubic
Magnetism
Diamagnetic
Abundance in Earth's Crust
27.7%
Phase at Room Temperature
Solid