O=O represents a double covalent bond formed between two oxygen (O) atoms. This type of bond is commonly found in molecules such as oxygen gas (O2).
A double bond is a type of chemical bond where two pairs of electrons are shared between two atoms.
Oxygen Gas (O2): Oxygen gas is the diatomic form of oxygen, consisting of two oxygen atoms bonded by a double covalent bond.
A Lewis structure is a diagram that represents the arrangement of atoms, bonds, and lone pairs in a molecule using dots and lines.