Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Amongst the elements with following electronic configurations, which one of them may have the highest ionisation energy?
A
Ne 
B
Ar 
C
Ne 
D
Ne 
Text Solution
Verified by ExpertsThe correct answer is:
D
Among options , and , option has the highest ionisation energy because of extra stability associated with half ‐ filled 
‐ orbital. In option , the presence of 
electrons offer shielding effect, as a result the 
electrons do not experience much nuclear charge and hence the electrons can be removed easily
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