alleryTransition metals commonly show oxidation states that are:
AAlways one
BAlways two
CVariable
DConstant
Answer & Solution
Correct answer: C. Variable
1. Electrons can be removed from more than one subshell.
2. So more than one stable charge is available.
3. These metals display a variety of oxidation states.
_Source: syllabus Chemistry Part I, Chapter 8, The d- and f-Block Elements._
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