Where does the last electron of d-block element go?(a) nd(b) (n-1)d(c) np(d) (n-1)sI had been asked this question in an internship interview.I'm obligated to ask this question of Electronic Configurations of the D-Block Elements topic in section D and F-Block Elements of Chemistry – Class 12

Where does the last electron of d-block element go?(a) nd(b) (n-1)d(c)

1.	Where does the last electron of d-block element go?(a) nd(b) (n-1)d(c) np(d) (n-1)sI had been asked this question in an internship interview.I'm obligated to ask this question of Electronic Configurations of the D-Block Elements topic in section D and F-Block Elements of Chemistry – Class 12
Answer» Right option is (b) (n-1)d Explanation: In these ELEMENTS, the last ELECTRON ENTERS the d orbital of the penultimate SHELL, i.e., the last electron goes to (n-1) d orbital. Hence, these elements are named as d-block elements. These elements have PARTLY filled d-subshells in their elementary form or in their simple ions.

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