14Si

Silicon

Metalloid

Properties of Silicon

Atomic number (Z)
14
Symbol
Si
Name
Silicon
Atomic mass
28.086 u
Period
3
Group
14
Family
Carbon group
Classification
Metalloid
Electron configuration
[Ne] 3s² 3p²

About Silicon

Silicon is a chemical element with symbol Si and atomic number 14 (atomic mass of about 28.086 u). It is classified as a metalloid on the periodic table.

On the periodic table, Silicon is located in period 3, in group 14, belonging to the carbon group family. An element's position reveals trends in its properties, such as atomic radius, electronegativity and metallic character.

The electron configuration of Silicon is [Ne] 3s² 3p², which determines how it forms chemical bonds and takes part in reactions.

External references