Which one of the following ions has the highest value of io…

Chemistry Classification of Elements and Periodicity Atomic and Ionic Radius Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Which one of the following ions has the highest value of ionic radius?

Li +

B 3+

O 2–

F –

Text Solution

Verified by Experts

The correct answer is:

O 2– and F – have two shells while Li + and B 3+ have only one shell. Also, O 2– > F – (for isoelectronic species, as Z increases, size decreases).

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