A) \[3{{d}^{6}}4{{s}^{2}}\]
B) \[3{{d}^{5}}4{{s}^{2}}\]
C) \[3{{d}^{4}}4{{s}^{2}}\]
D) \[3{{d}^{5}}4{{s}^{1}}\]
Correct Answer: D
Solution :
\[{}_{24}Cr\xrightarrow{{}}\,[Ar]\,3{{d}^{5}}4{{s}^{1}}\]
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