Which statement best describes a covalent bond? a
A chemical bond in which no electrons are shared.
b
A chemical bond that involves sharing a pair of electrons between
atoms in a molecule.
с
A chemical bond in which four or more electrons are shared.
A chemical bond in which one atom loses an electron to form a
d positive ion and the other atom gains an electron to form a negative
ion.

Option B

A covalent 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.

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