Silicon is a chemical element that has an atomic number of 14. It is a non metal that has semi-conducting properties. It is used in making electronic circuits. You can read more details about nit on http://en.wikipedia.org/wiki/Silicon.
The chemical element of atomic number 14, a nonmetal with semiconducting properties, used in making electronic circuits. Pure silicon exists in a shiny dark gray crystalline form and as an amorphous powder