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The atomic numbers of Ni and Cu are 28 and 29 respectively. The electron configuration 1s2 2s2 2p6 3s2 3p6 3d10 represents (A) Cu+ (B) Cu2+ (C) Ni2+ (D) Ni

The atomic numbers of Ni and Cu are 28 and 29 respectively. The electron configuration 1s2 2s2 2p6 3s2 3p6 3d10 represents

(A) Cu+
(B) Cu2+
(C) Ni2+
(D) Ni

Grade:12

1 Answers

Sneha Harish
20 Points
2 years ago
Cu+ is the answer. 
The electronic configuration of copper is 1s2 2s2 2p6 3s2 3p6 4s1 3d10
If Cu looses one electron from 4s orbital it becomes Cu+ with configuration 1s2 2s2 2p6 3s2 3p6 3d10

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