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Which of the following ions has a pseudo...

Which of the following ions has a pseudo-inert-gas configuration?

A

`Na^(+)`

B

`Cu^(+)`

C

`K^(+)`

D

`S^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
E. C. of `Cu^(+)1s^2 2s^2 2p^6 3 s^2 3p^6 4s^0 3d^10`
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