Question
Question: Which of the following options does not represent ground state electronic configuration of an atom?...
Which of the following options does not represent ground state electronic configuration of an atom?
A
1s22s22p63s23p63d84s2
B
1s22s22p63s23p63d94s2
C
1s22s22p63s23p63d104s1
D
1s22s22p63s23p63d54s1
Answer
1s22s22p63s23p63d94s2
Explanation
Solution
: The correct representation of the ground state electronic configuration of Cu (29)is 1s22s22p63s23p63d104s1