Transition and Inner Transition Elements — Chemistry STD 12 Science — Question
Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryTransition and Inner Transition Elements2 Marks
Question
What are d-block elements? Give their general electronic configuration.
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Answer
Definition: $d$-block elements are defined as the elements in which the differentiating electron enters $d$-orbital of the penultimate shell i.e. $(n-1) d$-orbital where ' $n$ is the last shell.
The general electronic configuration can be represented as, $(n-n) d^{n-10}, n s^{n-2}$
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