What is a covalent bond?

a covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.

Explanation:

Examples of Covalent Bond: 1. Water. An example is water. Water consists of a covalent bond containing hydrogen and oxygen bonding together to make H2O. In this atomic molecule, two hydrogen atoms share their single electrons with the oxygen atom, which shares its own two electrons in return.

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explanation:

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multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).