Property of the alkaline earth metals that increases with their atomic number is:

Ionization energy

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Solubility of their hydroxides

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Electro-negativity

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Solubility of their sulphates

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Solution

The correct option is B
Solubility of their hydroxides

The solubility of the alkaline earth metal hydroxides increases with increase in atomic number due to the decrease in lattice energy on moving down the group.

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Property of the alkaline earth metals that increases with their atomic number is:

The correct option is B Solubility of their hydroxides The solubility of the alkaline earth metal hydroxides increases with increase in atomic number due to the decrease in lattice energy on moving down the group.

The correct option is B
Solubility of their hydroxides

The solubility of the alkaline earth metal hydroxides increases with increase in atomic number due to the decrease in lattice energy on moving down the group.