Question

Arrange the following in order of increasing atomic radius Mg, Cs, Ca, Al, Ba.​

Answer 1

Answer:

Mg,Al,Ca,Cs,Ba

Explanation:

Mg (12)= [Ne] 3s2

Al(13) = [Ne] 3s2 3p1

Ca (20) = [Ar] 4s2

Cs(55) = [Xe] 6s1

Ba(56)= [Xe] 6s2