NEET Chemistry Atomic Radius Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Atomic Radius decreases | (i) Across a period |
| (b) Ionic Radius of cation | (ii) Smaller than parent atom |
| (c) Ionic Radius of anion | (iii) Larger than parent atom |
| (d) Covalent Radius estimation | (iv) Half the bond distance |
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iii, b-iv, c-i, d-ii
a-iv, b-iii, c-ii, d-i
Correct Answer
Detailed Explanation
The atomic radius decreases across a period due to increased nuclear charge, leading to stronger attraction. The ionic radius of a cation is smaller than that of its parent atom due to fewer electrons, while an anion is larger due to increased electron repulsion. The covalent radius is estimated as half the bond distance between two bonded atoms.
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