Silicon (Si)
Silicon is the second most abundant element in Earth's crust and the basis of the semiconductor industry.
Properties of Silicon
- Atomic number
- 14
- Category
- Metalloid
- Atomic mass
- 28.085 u
- Electron configuration
- [Ne] 3s² 3p²
- Melting point
- 1687 K (1413.85 °C)
- Boiling point
- 3538 K (3264.85 °C)
- Density
- 2.3296 g/cm³
- Electronegativity (Pauling)
- 1.9
- Appearance
- Crystalline, dark gray with bluish tinge
- Discovered by
- Jöns Jacob Berzelius (1824)
Facts about Silicon
- Silicon Valley is named after this element because computer chips are made from it!
- Sand is mostly made of silicon dioxide!
- Silicon is the second most common element in Earth's crust after oxygen!
- Solar panels are made from silicon crystals!