Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Number of electron having the quantum numbers n = 4, λ = 0, s = – 
in Zn +2 ion is/are:
Text Solution
Verified by ExpertsThe correct answer is:
B
Since it is 
, it has lost 2 electrons since the previous shell.
Hence, it will be 
instead of 
Thus, the number of electrons having the quantum numbers is 0 .
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