what is meant by covalent bond?
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Answer:
Covalent bond, in chemistry, the interatomic linkage that results from the sharing of an electron pair between two atoms. ... A covalent bond forms when the bonded atoms have a lower total energy than that of widely separated atoms.
Answer:
Covalent bond, in chemistry, the interatomic linkage that results from the sharing of an electron pair between two atoms. The binding arises from the electrostatic attraction of their nuclei for the same electrons. A covalent bond forms when the bonded atoms have a lower total energy than that of widely separated atoms.
Polar Covalent Bond
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Key People:
Irving Langmuir Gilbert N. LewisRelated Topics: Conjugated system Pi bond Sigma bond Catenation Multicentre bond
A brief treatment of covalent bonds follows. For full treatment, see chemical bonding: Covalent bonds.

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crystal: Covalent bonds
Silicon, carbon, germanium, and a few other elements form covalently bonded solids. In these elements...
Molecules that have covalent linkages include the inorganic substances hydrogen, nitrogen, chlorine, water, and ammonia (H2, N2, Cl2, H2O, NH3) together with all organic compounds. In structural representations of molecules, covalent bonds are indicated by solid lines connecting pairs of atoms.