Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic lustre, and is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic table: carbon is above it; and germanium, tin, lead, and flerovium are below it.

Who invented silicones?

Franklin Hyde, a chemist who decades ago turned a useless sticky goo into a common family of industrial raw materials called silicones and who also invented a process for making an almost-pure glass used today in fiber optic technology, died Monday at his home on Marco Island, Fla. He was 96.

In what country was silicon discovered in?

Silicon: history

Silicon was discovered by Jöns Jacob Berzelius in 1824 at Sweden.