My element is sodium 1. summarize the physical and chemical properties of the element you selected. 2. in the lesson, many models were used to depict the atom. how did these models you understand atomic structure? 3. how do protons, neutrons, and electrons differ in terms of their electrical charges and locations within the atom? 4. describe the four fundamental forces. which of these forces are involved in chemical bonding?answer these questions or at least one.