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`Ca^(2+)` has a smaller ionic radius than `K^(oplus)` because it has `"………" . |
Answer» Correct Answer - Higher charge density `Ca^(2+)` has a smaller ionic radius than `K^(o+)` because it has higher charge density `(("charge")/("size") "ratio")`. In isoelectronic species, as the number of protons (atomic number) goes on increasing, size goes on decreasing due to stronger attraction on the electrons. |
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