+A **covalent bond** is a fundamental chemical link formed when two [Atom](/wiki/atom)s share pairs of [Electron](/wiki/electron)s. This intimate sharing allows atoms to achieve stable outer shells, creating resilient [Molecule](/wiki/molecule)s that form the building blocks of most substances.
+## See also
+- [Ionic Bond](/wiki/ionic_bond)
+- [Metallic Bond](/wiki/metallic_bond)
+- [Valence Electron](/wiki/valence_electron)
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