What is the general outer electronic con...

What is the general outer electronic configuration of the coinage metals ?

A

`ns^(2)np^(6)`

B

`(n-1)d^(10)ns^(1)`

C

`(n-1)d^(10)ns^(2)`

D

`(n-1)d^(9) ns^(2)`

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The correct Answer is:

B

Coinage metals are Cu, Ag , Au. Their outermost electronic configurations are `(n-1) d^(10) ns^(1)`.

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