The covalent radii of atoms A and B are r_A a | vedclass

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(C) The covalent bond length is defined as the sum of the covalent radii of the two bonded atoms, which is given by $d = r_A + r_B$.In a simple diatom

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$(r_A + r_B), (r_A + r_B)$

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(C) The covalent bond length is defined as the sum of the covalent radii of the two bonded atoms, which is given by $d = r_A + r_B$.In a simple diatomic molecule $AB$, the total bond length (internuclear distance) is the distance between the centers of the two nuclei, which is equal to the sum of their covalent radii, $r_A + r_B$.Therefore, both the covalent bond length and the total length of the $AB$ molecule are $(r_A + r_B)$ and $(r_A + r_B)$ respectively.

The covalent radii of atoms $A$ and $B$ are $r_A$ and $r_B$, respectively. The covalent bond length and total length of $AB$ molecule are respectively

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