Question
Question: Screening effect is not observed in :...
Screening effect is not observed in :
A
He+
B
Li2+
C
Be3+
D
In all cases
Answer
In all cases
Explanation
Solution
He+, 1s1 ; Li2+, 1s1 ; Be3+, 1s1. All these ions have only one electron. So they do not have any inner orbital and thus do not experience any screening effect.