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Chapter 15
Vocabulary
Term | Definition |
---|---|
Chemical Change | A change of one substance to another. |
Chemical Property | A characteristic of a substance that indicates whether it can undergo a certain chemical change. |
Colloid | A type of mixture with particles that are larger than those in solutions but not heavy enough to settle out. |
Compound | A substance in which the atoms of two or more elements are combined in a fixed proportion. |
Distillation | The process for separating substances in a mixture by evaporating a liquid and recondensing its vapor. |
Element | If all the atoms in a substance have the same identity. |
Heterogeneous Mixture | A mixture in which different materials can be distinguished easily. |
Homogeneous Mixture | Contains two or more gaseous, liquid, or solid substances blended evenly throughout. |
Law of Conservation of Mass | The mass of all substances that are present before a chemical change equals the mass of all the substances that remain after the change. |
Physical Change | A change is size, shape, or state of matter. |