PLEASE Answer asap! Which has the largest atomic radius? A. Lithium
B. Helium
C. Oganesson
D. Francium?

It's D. Francium

Explanation:

Atomic radii vary in a predictable way across the periodic table. The atomic radius increases from top to bottom in a group and decreases from left to right across a period. Thus, Helium is the smallest element, and Francium is the largest.

i think that the answer is c

answer carbon and three oxygen atoms;