14Si
Element 14
Silicon
Metalloids
Silicon is a chemical element with symbol Si and atomic number 14.
Key data
- Atomic number
- 14
- Atomic mass
- 28.085 u
- Group / Period
- 14 / 3
- Block
- p-block
- Phase at STP
- Solid
- Density
- 2.329 g/cm³
- Melting point
- 1413.8 °C
- Boiling point
- 3264.8 °C
- Electron configuration
- [Ne] 3s2 3p2
Common uses
- •Computer chips
- •Glass
- •Solar cells
Discovery
Year: 1824
Discovered by: Jöns Jacob Berzelius
Named by: Thomas Thomson (chemist)
Frequently asked questions
What is the atomic number of Silicon?
Silicon has atomic number 14. Its symbol is Si and its atomic mass is 28.085 u.
What category of element is Silicon?
Silicon is classified as metalloids. It sits in group 14, period 3 of the periodic table.
What is Silicon used for?
Common uses of Silicon include: Computer chips, Glass, Solar cells.
When was Silicon discovered?
Silicon was discovered in 1824 by Jöns Jacob Berzelius.
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