alleryWhich ion is smaller than its parent atom?
AA neutron
BA nucleus
CA cation
DAn anion
Answer & Solution
Correct answer: C. A cation
1. Gaining electrons expands an atom into an anion.
2. Losing them contracts it instead.
3. So the cation is the smaller one.
_Source: syllabus Chemistry Part I, Chapter 3, Classification of Elements and Periodicity in Properties._
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