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Which of the listed electronic configurations corresponds to Cu^2+ ion ?

+2 votes
in JEE by kratos

Which of the listed electronic configurations corresponds to Cu2+ ion ?

А. [Ar]3d104s2

B. [Ar]3d9 4s0

C. [Ar]3d8 4s2

D. [Ar]3d8 4s1

E. [Ar]3d104s1

1 Answer

+2 votes
by kratos
 
Best answer

B. [Ar]3d9 4s0

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