This AP Chemistry Unit 3 Bundle covers Properties of Substances & Mixtures (Topics 3.1–3.13) and provides a complete set of instructional materials to support both teachers and students throughout the unit. All resources are aligned with AP Chemistry Course and Exam Standards and support AP-style data analysis, intermolecular forces reasoning, and conceptual understanding of solutions, gases, and acid-base behavior. Included resources feature: Textbook Alignment (with Chemistry: The Central Scie