Which property of alkaline earth metals incre | vedclass

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Question

(B) As we move down the group in alkaline earth metals ($Be$ to $Ba$),the atomic size increases.$1$. Ionization enthalpy decreases due to the increase

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Solubility of their hydroxides

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(B) As we move down the group in alkaline earth metals ($Be$ to $Ba$),the atomic size increases.$1$. Ionization enthalpy decreases due to the increase in atomic size.$2$. Electronegativity decreases as the atomic size increases.$3$. The solubility of alkaline earth metal hydroxides increases down the group because the lattice energy decreases more rapidly than the hydration energy.$4$. The solubility of alkaline earth metal sulfates decreases down the group because the lattice energy decreases less rapidly than the hydration energy.Therefore,the solubility of their hydroxides increases with an increase in atomic number.

Which property of alkaline earth metals increases with an increase in atomic number?

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The property of the alkaline earth metals that increases with their atomic number is

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