Question
Chemistry Question on trends in periodic table
The correct order of the atomic radii of C,Cs,Al and S is :
A
S<C<Al<Cs
B
S<C<Cs<Al
C
C<S<Cs<Al
D
C<S<Al<Cs
Answer
C<S<Al<Cs
Explanation
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