NEET Chemistry Atomic Radius MCQ Question
Which of the following combinations about atomic radius is correct?
A cation is always larger than its parent atom; the size of an anion is smaller than that of its parent atom.
The atomic radius can be precisely measured using a sharp boundary; covalent radius is derived from bond distances.
The atomic size cannot be accurately measured; ionic radii generally follow the same trend as atomic radii.
All atoms within a molecule have the same atomic radius; ionic size is not affected by electron gain or loss.
Correct Answer
Detailed Explanation
Atomic size cannot be accurately measured due to the lack of a sharp boundary, and ionic radii typically follow the same trend as atomic radii, where cations are smaller and anions are larger than their parent atoms.
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