| − | A shared pair of valence electrons that holds atoms together in covalent compounds.<ref>Wile, Dr. Jay L. ''Exploring Creation With Chemistry''. Apologia Educational Ministries, Inc. 1998</ref> | + | A shared pair of valence electrons that holds [[atom]]s together in covalent [[compound]]s.<ref>Wile, Dr. Jay L. ''Exploring Creation With Chemistry''. Apologia Educational Ministries, Inc. 1998</ref> |