Double Bond

Definition

A double bond is a chemical linkage consisting of two shared electron pairs between two atoms.

Related terms

Pi Bond (π): The second kind of bonding that occurs when orbitals overlap on their sides, forming one part of multiple bonds such as double bonds.

Sigma Bond (σ): The first kind of interatomic bonding that forms from end-on overlapping orbitals, present in all types of covalent bonds including single and multiple ones.

Resonance Structures:

Different ways to represent molecules with multiple bonds that cannot be depicted by one simple Lewis structure.