โ† Periodic Table
Si
Element #14

Silicon

metalloid solid Discovered 1824
28.086 Atomic Mass (u)
1414 C Melting Point
3265 C Boiling Point
2.329 g/cm3 Density
1.9 Electronegativity
[Ne] 3s2 3p2 Electron Config
3 Period
14 Group

๐Ÿ“– About Silicon

The second most abundant element in Earth's crust (after oxygen) and the foundation of modern electronics. Silicon semiconductors power every computer, smartphone, and digital device on Earth. It forms silicate minerals that make up most of Earth's crust and mantle. Silicon Valley is named after it.

๐Ÿ”ง Uses and Applications

  • Semiconductor chips (transistors, processors)
  • Solar panels (photovoltaic cells)
  • Glass (silicon dioxide)
  • Concrete and cement
  • Silicone polymers (sealants, implants)

๐Ÿ’ก Did You Know?

Fact: A modern processor chip can contain over 100 billion transistors on a piece of silicon smaller than your fingernail. The transistors are so small that thousands would fit across the width of a human hair.