alleryBy the IUPAC definition a transition metal has an incomplete:
As subshell
Bp subshell
Cf subshell
Dd subshell
Answer & Solution
Correct answer: D. d subshell
1. The modern definition rests on electronic configuration.
2. It looks at the neutral atom or at its ions.
3. A transition metal has an incomplete d subshell in one of them.
_Source: syllabus Chemistry Part I, Chapter 8, The d- and f-Block Elements._
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