Si
Silicon (Atomic Number 14)
Category: metalloid | Period 3, Group 14 | Block: p
Abundant hard metalloid forming the basis of microelectronics.
Atomic & Physical Constants
- Standard Atomic Weight:
- 28.085 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 4
- Electronegativity (Pauling):
- 1.9
- Melting Point:
- 1687 K
- Boiling Point:
- 3538 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Semiconductor microchips, solar PV panels, silicones, construction glass
Discovery History
Discovered by Jöns Jacob Berzelius (1824).
Study Silicon with Socratic AI Tutor
Get step-by-step orbital hybridization, oxidation state derivations, and reaction practice questions.