Silicon

Atomic symbol: Si
Atomic number: 14
Atomic mass: 28.09

Appearance: blue gray crystalline solid at 25°C

Group: 14
Period: 3
Series: Metalloids
Block: p
Electron configuration: 1s² 2s² 2p⁶ 3s² 3p²

Relatively unreactive.

Important technological uses, such as in microelectronics and computer chips.

Fun Fact! Silica, a form of silicon, is the main component of sand, making warm and white beaches.