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| 1. |
Differentiating electron in K(19) goes into ns and this is s-block element. What happens il Aufbau rule is not followed? |
| Answer» Solution :K(19) in the absence of AUFBAU rule will have electronic configuration as `1s^(2) 2S^(2) 2p^(6) 3s^(2) 3P^(6) 3d^(1)` and thus differentiating electron enters into 3d-d block ELEMENT. | |