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

JEE MainJEE Main 2019Classification of Elements and Periodicity in Properties

Solution:

Atomic radii order : C < S < Al < Cs
Atomic radius of C : 170 pm
Atomic radius of S : 180 pm
Atomic radius of Al : 184 pm
Atomic radius of Cs : 300 pm

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