Silicon is neither metal nor non-metal; it's a metalloid, an element that falls somewhere between the two.

Is silicon non metal or metal?

But unlike carbon, silicon a metalloid -- in fact, it's the most common metalloid on earth. "Metalloid" is a term applied to elements that are better conductors of electron flow -- electricity -- than nonmetals, but not as good as metals.

Is silicon a metal or plastic?

Silicon is the 14th element on the periodic table. It's a metalloid, meaning it has properties of both metals and nonmetals, and is the second most abundant element in the Earth's crust, after oxygen.