Multiple choice

Of the following which has the smallest radius?

  1. Cs+

  2. Mg2+

  3. Na+

  4. Li+
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Li and Mg are elements showing diagonal relationship. Hence. they have almost same atomic radius. Mg is smaller than Na. Size of Mg2+ is much lesser than Mg atom. Hence the alternative to be chosen is 2

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