Covalent Bond

A covalent bond is a very strong attraction between two or more atoms that are sharing their electrons. In structural formulas, covalent bonds are represented by a line drawn between the symbols of the bonded atoms.

Localized Covalent Bond

A localized covalent bond describes the mutual electrostatic attraction of two adjacent nuclei for a shared pair of electrons which occupy the same molecular energy level.

Delocalized Covalent Bond

A delocalized covalent bond describes the electrostatic attraction of more than two nuclei for a shared pair of electrons which occupy the same molecular energy level.

See also: Covalent Compound, Covalent Radius, Ionic Bond, Network Covalent Solid, Pi Bonds, Polar Bond, Sigma Bonds.

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Subjects: Chemistry Nuclear and Particle Physics