Question

Place the following in order from smallest to largest by atomic radius: Rb, Na, K, Cs, P, He.

Group of answer choices

Cs
P
He

Rb
Cs

Answer 1

He

P

Na

K

Rb

Cs

Step-by-step explanation:

I am not sure if Na was one of the choices, but if it is this is the order. If not then just take out Na and then it is in the correct order.