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Covalent Bonds

Covalent Bonds
Authored definition for the AP edition: Chemical bonds in which electron density is shared between atoms and stabilizes them through electron–nucleus attraction. Shared electron density may be distributed equally or unequally; bond polarity depends on the atoms involved.

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These editorial refreshers supplement the reading. Definitions and examples are added guidance; original source wording and recorded answers remain in their original context.

  • Covalent bond

    A covalent bond involves shared electron density between atoms. The sharing can be approximately equal or unequal depending on the atoms and their environment. For example, the bond in a hydrogen molecule shares electrons between two identical atoms.

    Read more: Types of Chemical Bonds →

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