Question 0The atomic radius of Li, Na and K are 1: 33A, 1. 54A and 1. 96A res pectively. Which of the following explaqins this gradation in atomic radius?A.electropositivity decreases from Li to Na to KB.electronegativity decreases from Li to Na to KC.the number of the electron shells increases from Li to Na to KD.the elements are in the same periodE.Objective Show full explanation