The size of atoms can be measured using the diffraction of x-rays. Measurements of atomic size confirm that trends can be identified based on location on the Periodic Table of the Elements. Which group of elements is listed in order of decreasing size? (A.) iodine, bromine, chlorine, Zinc
(B.) boron, carbon, nitrogen, oxygen
(C.) sodium, potassium, rubidium, cesium
(D.) phosphorous, selenium, iodine, radon