The property of all the alkaline earth metals that increases with their atomic number is:
Correct answer: B. Solubility of their hydroxides
- A. Ionization energy
- B. Solubility of their hydroxides
- C. Solubility of their sulphate
- D. Electronegativity
Explanation
As you move down Group 2, the solubility of the hydroxides, M(OH)₂, generally increases. This trend is due to the fact that the lattice energy decreases more rapidly than the hydration energy as the cation size increases.
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About s-Block and p-Block Elements
The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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