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JEE MAIN 2025
07.04.25 S2
Question
Choose the incorrect trend in the atomic radii (r) of the elements.
Select the correct option:
A
$\mathrm{r}_{\mathrm{At}}<\mathrm{r}_{\mathrm{CS}}$
B
$\mathrm{r}_{\mathrm{Br}}<\mathrm{r}_{\mathrm{K}}$
C
$\mathrm{r}_{\mathrm{Mg}}<\mathrm{r}_{\mathrm{A} 1}$
D
$\mathrm{r}_{\mathrm{Rb}}<\mathrm{r}_{\mathrm{CS}}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Sol. In a period from left to right atomic size decreases.
Question Tags
JEE Main
Chemistry
Easy
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