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Out of the following which has the smallest ionic 'Size and why: Li⁺, Na⁺, K⁺?

All the three ions belong to alkali earth metal group (group 1). Ionic radius increases down the group, therefore Li⁺ ion has the smallest ionic size out of the three ions.

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Classification of Elements and Periodicity in Properties

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Out of the following which has the smallest ionic 'Size and why: Li+, Na+, K+?

Classification of Elements and Periodicity in Properties

Chemistry Part I

Out of the following which has the smallest ionic 'Size and why: Li⁺, Na⁺, K⁺?