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