What is the general electronic configuration for 2nd row transition se

1.	What is the general electronic configuration for 2nd row transition series [Orrisa JEE 2002]
A.	\[[Ne]3{{d}^{1-10}},4{{s}^{2}}\]
B.	\[[Ar]3{{d}^{1-10}},4{{s}^{1-2}}\]
C.	\[[Kr]4{{d}^{1-10}},\,\,5{{s}^{1-2}}\]
D.	\[[Xe]5{{d}^{1-10}},\,\,5{{s}^{1-2}}\]
Answer» D. \[[Xe]5{{d}^{1-10}},\,\,5{{s}^{1-2}}\]

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What is the general electronic configuration for 2nd row transition series [Orrisa JEE 2002]

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