Atomic Structure Question 331

Question: The number of unpaired electrons in $ 1s^{2},,2s^{2}2p^{4} $ is [NCERT 1984; CPMT 1991; MP PMT 1996, 2002]

Options:

A) 4

B) 2

C) 0

D) 1

Show Answer

Answer:

Correct Answer: B

Solution:

$ 2p^{4}=\uparrow\downarrow \uparrow \uparrow $



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