Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The species 
and 
contain the same number of electrons. In which order do their radii increase?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
and Ar are isoelectronic species (with 
). Since, 
has greatest positive
charge, therefore it has the smallest size.
Hence, correct order is 
.
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