Concept explainers
Interpretation:
The correct option corresponding to the pair of atoms which forms a nonpolar covalent bond is to be identified.
Concept introduction: Electronegativity of an atom is its tendency to attract the shared pair of electrons in a bond towards itself. As we go down the group, the electronegativity decreases because the size of atom increases. As we go across a period, the electronegativity increases as the size of atom decreases.
Nonpolar covalent bond is a bond in which the electronegativity difference between atoms is negligible. There is negligible charge separation between the atoms and therefore, electron density is equally distributed between the two atoms.
To determine: The correct option corresponding to the pair of atoms which forms a nonpolar covalent bond.
Correct answer: The correct option is (a).
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