Structure of Atom - Result Question 61

####65. Number of unpaired electrons in $N^{2+}$ is [1989]

(a) 2

(b) 0

(c) 1

(d) 34

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Solution:

  1. (c) $N(7)=1 s^{2} 2 s^{2} 2 p^{3}$

$N^{2+}=1 s^{2}, 2 s^{2} 2 p_x^{1}$

Unpaired electrons $=1$.



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