Which pair of atoms forms the strongest ionic | vedclass

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(D) The strength of an ionic bond is determined by the lattice energy,which is directly proportional to the product of the charges and inversely propo

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$Al$ and $O$

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(D) The strength of an ionic bond is determined by the lattice energy,which is directly proportional to the product of the charges and inversely proportional to the interionic distance $(U \propto \frac{q_1 q_2}{r_0})$.$Al$ has a charge of $+3$ in all these compounds.Comparing the anions: $O^{2-}$,$N^{3-}$,$Se^{2-}$,and $As^{3-}$.While $N^{3-}$ has a higher charge than $O^{2-}$,the bond between $Al$ and $O$ is considered to have high ionic character due to the high electronegativity difference and the small size of the $O^{2-}$ ion,leading to a very stable lattice.However,based on the options provided and standard chemical trends,$Al$ and $O$ form a very strong ionic bond in $Al_2O_3$.

Which pair of atoms forms the strongest ionic bond?

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