Which one of the following is smallest in size? | CGP Edu

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

Published by: CGP EDU Academic Team

Published on: August 11, 2026

Which one of the following is smallest in size?

A

Na +

B

O 2–

C

N 3–

D

F –

Text Solution

Verified by Experts

The correct answer is:

Na + , order of size N –3 > O –2 > F – > Na +

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