A) 1.20-
B) 2.45
C) 3.55
D) 5.95
Correct Answer: C
Solution :
When an extra electron is added in nitrogen atom, added electron will be screened by five electrons in second orbit \[(2{{s}^{2}}2{{p}^{3}})\] and two electrons in first orbit \[(1{{s}^{2}})\].You need to login to perform this action.
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