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 $