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Electronic configurations of Cu ( Z = 29...

Electronic configurations of `Cu ( Z = 29)` is

A

`1s^(2), 2s^(2), 2p^(6), 3s^(2), 3p^(6), 3p^(6), 4s^(2), 3d^(9)`

B

`1s^(2), 2s^(2), 2p^(6), 3s^(2), 3p^(6), 3d^(10), 4s^(1)`

C

`1s^(2), 2s^(2), 2p^(6), 3s^(2), 3p^(6), 4s^(2), 4p^(6), 5s^(2), 5p^(1)`

D

`1s^(2), 2s^(2), 2p^(6), 3s^(2), 3p^(6), 4s^(2), 4p^(6), 3d^(3)`

Text Solution

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The correct Answer is:
B
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