1.

Correct Electronic configuration of “Cu” with atomic number 29 is(a) [Ar]3d104s1 (b) [Ar]3d94s2 (c) [Ar]3d54s24p4 (d) None of these​

Answer»

Explanation:

DUE to extra stability of HALF FILLED and full filled orbital, Cu have CONFIGURATION 1s22s22p63s23p63d104s14p0.



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