The correct electronic configuration of ._(29)Cu^(2+) is

1.	The correct electronic configuration of ._(29)Cu^(2+) is
Answer» `[Ar] 4s^(1) 3D^(10)` `[Ar] 4s^(2) 3d^(8)` `[Ar] 4s^(2) 3d^(9)` `[Ar] 4s^(0) 3d^(9)` Answer :D

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