To draw the Lewis structure of an atom, write the symbol of the atom and draw dots around it to represent the valence electrons. Note that hydrogen is often shown in both group 1A and group 7A, but it has one valence electron – never seven. 14 mars 2023 · Chemistry Lewis Structures: Explanation, Review, and Examples The Albert Team Last Updated On: March 14, 2023 What We Review Introduction to Lewis Structures Using the Periodic Table to Draw Lewis Dot Structures Using Lewis Structures to Show Valence Electrons How to Draw a Lewis Structure Examples for Drawing Lewis Structures for Covalent Bonds.