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Bonding Pair

Quick Reference
Also Known AsShared electron pair, covalent bond electrons, binding pair

What is Bonding Pair?

A bonding pair (or shared pair) is a pair of electrons shared between two atoms to form a covalent bond. In Lewis dot structures, each line between atoms represents one bonding pair of electrons. The number of bonding pairs between atoms determines whether the bond is single, double, or triple.

Properties & Characteristics

A bonding pair (or shared pair) is a pair of electrons shared between two atoms in a covalent bond. The electron pair is attracted by both nuclei, holding them together. In Lewis structures, bonding pairs are shown as lines (each line = 2 electrons) between atoms. A single bond has one bonding pair, a double bond has two, and a triple bond has three. Bonding pairs are to be distinguished from lone pairs (non-bonding pairs).

Uses & Applications

The concept of bonding pairs is foundational to Lewis structure drawing, VSEPR theory, and understanding molecular geometry. Counting bonding pairs determines bond order and is used in predicting physical properties like polarity, melting point, and solubility.

Safety Information

No specific safety consideration. Understanding bonding pairs is essential for correctly assigning oxidation states, predicting reactive sites in molecules, and understanding the mechanism of bond-breaking in hazardous reactions (homolysis vs. heterolysis).

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Bonding Pair
Synonyms Shared electron pair, covalent bond electrons, binding pair

Frequently Asked Questions

A bonding pair (or shared pair) is a pair of electrons shared between two atoms to form a covalent bond. In Lewis dot structures, each line between atoms represents one bonding pair of electrons. The number of bonding pairs between atoms determines whether the bond is single, double, or triple.

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