The name transition metals came from properties standing between:
Ap and f blocks
Bs and f blocks
Cs and p blocks
Df and d blocks
Answer & Solution
Correct answer: C. s and p blocks
1. The name was given before the modern definition arrived.
2. It described where these elements seemed to sit.
3. Their properties were transitional between s and p block elements.
_Source: syllabus Chemistry Part I, Chapter 8, The d- and f-Block Elements._
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