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| 1. |
What is electronic configration of copper |
| Answer» Raj this answer is wrong that u have give because it is not following octave rule it has 17 electron in its last orbit which is not possible<br>1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 3d^10<br>2,8,17 | |