How does the valence bond theory describe a covalent bond formation?

A.The valence bond theory explains that covalent bonds are formed inside an atom when inner orbitals overlap with valence orbitals.
B.The valence bond theory explains that covalent bonds are formed in the region where the atomic orbitals of two atoms overlap.
C.The valence bond theory explains that covalent bonds are formed in the region of the inner orbital when inner orbitals overlap with the valence orbitals of another atom.

The valence bond theory explains that covalent bonds are formed in the region where the atomic orbitals of two atoms overlap. Hence, option B is correct.

What is a covalent bond?

A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms.

Valence bond theory describes bonding as a consequence of the overlap of two separate atomic orbitals on different atoms that creates a region with one pair of electrons shared between the two atoms. When the orbitals overlap along an axis containing the nuclei, they form a σ bond.

Hence, The valence bond theory explains that covalent bonds are formed in the region where the atomic orbitals of two atoms overlap.

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