This study guide is for students preparing for upper school Chemistry. It contains clear explanations of fundamental chemistry concepts and calculations a student should master before beginning a Year 11 Chemistry course It contains checkpoint questions, review questions and trial tests designed to self-test and extend student progress. Fully detailed answers are provided for all questions. Introductory Chemistry is often put on Year 10 and 11 booklists to ensure students have the necessary foundation and calculation skills to grasp Units 1 and 2 ATAR Chemistry.