Correct Electronic configuration of “Cu” with atomic number 29 is
(a) [Ar]3d104s1
(b) [Ar]3d94s2 (c) [Ar]3d54s24p4 (d) None of these
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1
Explanation:
Due to extra stability of half filled and full filled orbital, Cu have configuration 1s22s22p63s23p63d104s14p0.
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3
Answer:
correct electronic configuration of copper(Cu) is (a) [Ar] 3d104s1
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