Tetravalent is an adjective that means having a valency of four, or having four valences
. In chemistry, it can also mean having four covalent bonds.
In chemistry, a non-metal atom is tetravalent when it shares four electrons from its outermost shell with other atoms to gain eight electrons in its outermost shell. For example, carbon is tetravalent because it shares four electrons from its outermost shell with other atoms.
