The student notes and problems (snap) workbook for chemistry 20 is specifically designed to support classroom instruction and provide students with additional examples, practice exercises, and tests. It is 100% aligned with the current alberta curriculum and is ideal for use all year long at school and at home. The snap chemistry 20 covers the following topics: * the diversity of matter: chemical bonding * forms of matter: gases * matter as solutions: acids and bases * quantitative relationships in chemical changes each unit of the workbook includes the following features: * a unit opener page that summarizes the curriculum outcomes to be addressed, identifies the lesson titles, and lists the prerequisite knowledge and skills students should have prior to beginning the unit * lessons that provide essential teaching pieces, explanations of the concepts, example problems, and detailed solutions * notes bars that contain key definitions, formulas, reminders, and important steps or procedures * practice exercises with questions related to the curriculum outcomes that allow students an opportunity to apply the concepts * a review summary that provides a succinct review of the key concepts in the unit * one or more practice tests that students can use to assess their understanding of the unit concepts