Interactive Link Questions
Visit this website to view the periodic table. In the periodic table of the elements, elements in a single column have the same number of electrons that can participate in a chemical reaction. These electrons are known as “valence electrons.” For example, the elements in the first column all have a single valence electron—an electron that can be “donated” in a chemical reaction with another atom. What is the meaning of a mass number shown in parentheses?
Visit this website to learn about electrical energy and the attraction/repulsion of charges. What happens to a can lying on its side when a balloon that was rubbed against one’s hair is placed close to the can? What happens to the can when the side opposite the balloon is touched with one’s finger while placing the balloon close to it?
Watch this video to observe the formation of a disaccharide. What happens when water encounters a glycosidic bond?