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JEE · NEET Previous Year Question

$The correct order of the atomic radii of C, Cs, Al, and S is :$

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

A $C < S < A 1 < Cs$
B $S < C < Cs < Al$
C $S < C < Al < Cs$
D $C < S < Cs < Al$

Correct answer: A

Solution

(a) On going down the group, size increases while going from left to right in a period size decreases, so order is C < S < Al < C s

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