Question

cesium is in the lower left section of the periodic table, and helium is in the upper right. which has the larger atomic radius?

Answer 1

Cesium has a larger atomic radius

Step-by-step explanation:

as Cesium has more electrons than helium thus is needs more shells to house all of those electrons this having a larger radius than helium which only has two electrons and has only one shell thus having a smaller atomic radius than cesium