AIPMT PRELIMS2002Chemistry-Periodic Table
AIPMT PRELIMS 2002 Chemistry Electronic Configuration MCQ Question
Type: MCQ-conceptual-Medium-Class 11
An atom has electronic configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹ 4s², you will place it in which group :-
A
Fifth
B
Fifteenth
C
Second
D
Third
Correct Answer
Option A
Detailed Explanation
The element with this configuration has its outermost electron in the 3d subshell, placing it in the third group of the periodic table.
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