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CHEM 121/122: General Chemistry: Phases of Matter

Gen Chem I&II study tools, practice problems, quizzes, readings, and more. Organized chronologically in the order you learn these concepts.

Practice Problems

Classification of Matter Practice Problems
35 problems from Pearson. Use the left navigation menu to practice other Gen Chem topics.
Solids, Liquids and Phase Transitions (Exercises)

Phases Diagram

Short Readings

The States of Matter
Open access modules from LibreTexts organized around the textbook Principles of Modern Chemistry.