When two oxygen atoms come together they share two pairs of electrons between them, resulting in a double bond and a complete octet for each atom. The shared or bonding pairs of electrons complete the octet for both atoms. Oxygen can form a double covalent bond with any atom that tends to share two valance electrons.
Is O2 double bonded?
The O2 Lewis structure has a double bond between two oxygen atoms. According to the octet rule, oxygen atoms need to bond twice.
Is oxygen double or single bond?
Oxygen tend to form double bonds because of the formal charge. A molecule is more stable when the atoms in the molecules have formal charges of zero.