Transcription of Chapter 15: Classification of Matter - Study Guide
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Name:_____Pd:_____Date:_____ Chapter 15: Classification of Matter - Study Guide Important Vocabulary: 1. Substance 2. Element 3. Compound 4. Heterogeneous Mixture 5. Homogeneous Mixture 6. Solution 7. Colloid 8. Tyndall Effect 9. Suspension 10. Physical Property 11. Physical Change 12. Distillation 13. Chemical Property 14. Chemical Change 15. Law of Conservation of Mass Important Concepts: Define substances and mixtures. Identify elements and compounds. Compare and contrast solutions, colloids, and suspensions. Identify substances using physical properties. Compare and contrast physical and chemical changes. Identify chemical changes. Define the law of conservation of mass. Practice Problems: 1. Explain the difference between a chemical and a physical property. 2. List two examples of chemical and physical properties. 3. Salt (NaCl) mixes with boiling water and completely dissolves. a. Which type of mixture is this? b. What would the salt and water each be called in this type of mixture?
4. What type of mixture is fog? List a few properties of this type of mixture. 5. The air that we breathe is a homogeneous mixture. Explain why this is true.
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