A) \[4{{s}^{2}},\,\,3{{d}^{5}}\]
B) \[5{{s}^{2}},\,\,4{{d}^{5}}\]
C) \[4{{s}^{2}},\,\,3{{d}^{3}}\]
D) \[4{{s}^{2}},\,\,3{{d}^{1}}\]
Correct Answer: A
Solution :
Electronic configuration of element having atomic number 25 is \[1{{s}^{2}},\,\,2{{s}^{2}},\,\,2{{p}^{6}},\,\,3{{s}^{2}},\,\,3{{p}^{6}},\,\,4{{s}^{2}}3{{d}^{5}}\]
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