Atomic Structure Question 497

Question: Number of electron having the quantum numbers $ n=4,,\ell =0,,s=-\frac{1}{2} $ in $ Z{n^{+2}} $ ion is/are:

Options:

A) 1

B) 0

C) 2

D) 5

Show Answer

Answer:

Correct Answer: B

Solution:

  • Electronic configuration of $ Z{n^{2+}} $ ion is $ 1s^{2}2s^{2} $

$ 2p^{6}3s^{2}3p^{6}3d^{10} $ so no electron inorbitals.



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