Two oxygen atoms with two electron shells. The atoms share four electrons located in their outer electron shells. Each atom also has one electron pair in the inner electron shell and two electron pairs in the outer electron shell.
ionic
single covalent
hydrogen
quadruple covalent
double covalent
1 answer
The correct answer is double covalent.
In a double covalent bond, two pairs of electrons are shared between two atoms. In this case, the two oxygen atoms are sharing four electrons (which is equivalent to two pairs), hence forming a double covalent bond.
