JEE Mains · Chemistry · STD 11 - 3. Classification of elements and periodicity in properties
In period 4 of the periodic table, the elements with highest and lowest atomic radii are respectively:
- A Na & Cl
- B K & Se
- C K & Br
- D Rb & Br
Answer & Solution
Correct Answer
(C) K & Br
Step-by-step Solution
Detailed explanation
In a period moving from left to right atomic size decreases.
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