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  4. The transition elements have a general electronic configuration.

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Q. The transition elements have a general electronic configuration.

AIPMTAIPMT 1991The d-and f-Block Elements

Solution:

In the transition elements, the d-orbitals are successively filled. The general electronic configuration of d-block is
$ (n-1)d^{1-10} \,ns^{1-2} $
Where $(n - 1)$ stands for inner shell and d-orbitals may have one to ten electrons and the s-orbital of the outermost shell $(n)$ may have one or two electrons.