Multiple choice Arrange the following elements in increasing order of atomic size. Rb, Cs, Li, Na, K Na < K < Rb < Li < Cs Cs < Rb < K < Na < Li K < Na < Cs < Rb < Li Li < Na < K < Rb < Cs K < Rb < Cs < Na Reveal answer Fill a bubble to check yourself D Correct answer Explanation Atomic size of an element increases as we move from top to bottom in the periodic table.