The atomic number of Silicon is:

_14_

Symbol: Si

Electronic Configuration: [Ne] 3s² 3p²

or

1s² 2s² 2p⁶ 3s² 3p²

Some key properties of Silicon:

1. Atomic Mass: 28.0855
2. Atomic Radius: 111 pm
3. Electronegativity: 1.9
4. Group: 14 (Carbon group)
5. Period: 3
6. Block: p-block

Silicon is a metalloid, essential for:

1. Semiconductor industry (computers, smartphones)
2. Solar panels
3. Steel production
4. Ceramics and glass manufacturing

Would you like to explore more about Silicon or its applications?