The correct valence electronic configuration for Cu(z = 29) is

1.	The correct valence electronic configuration for Cu(z = 29) is
Answer» `3d^94s^2` `3d^(10) 4s^1 ` `3d^(10) 4s^2` `3d^8 4s^2` SOLUTION :ABNORMAL CONFIGURATION : `[Ar]3d^(10) 4s^1`

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