In the top row are the Groups labeled 1A, 2A, 3A, 4A, 5A, 6A, 7A, and 8A. Within each column are element symbols and their related electron dot sctructure. The elements in groupp 1 A are shown symbolically as H, Li, Na and K. The elements in group 2A are shown symbolically as Be, Mg, and Ca. The elements in group 3A are shown symbolically as B, Al and Ga. The elements in group 4A are shown symbolically as C, Si, and Ge. The elements in group 5A are shown symbolically as N, P, and As. The elements in group 6A are shown symbolically as O, S and Se. The elements in group 7A are shown symbolically as F, Cl and Br. The elements in group 8A are shown symbolically as He, Ne, Ar and Kr.