Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which of the following ions does not have the configuration of Argon?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
The electronic configuration of Ar is 
which means it has 18 electrons.
Except 
, all have 18 electrons. The number of electrons in 
are 54.
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