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Explain why transition elements have man...

Explain why transition elements have manuy irregularties in their electronic configuration.

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In the transition elements, the `(n-1)` d subshell and ns subshell have very small difference in energy. The incoming electron may enter into ns or `(n-1)` di subshell. Hence, they show irregularities in their electronic configuration.
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CENGAGE CHEMISTRY-APPENDIX INORGANIC VOLUME 2-Short Answer Type
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