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PS Ch15
Vocabulary
| Term | Definition |
|---|---|
| Substance | Element or compound that cannot be broken down into simpler components and maintain the properties of the original substance. |
| Element | Substance with atoms that are alike. |
| Compound | Substance formed from two or more elements in which the exact combination and proportion of elements is always the same. |
| Heterogeneous Mixture | Mixture, such as mixed nuts or a dry soup mix, in which different materials are unevenly distributed and are easily identified. |
| Homogeneous Mixture | Solid, liquid, or gas that contains two or more substances blended evenly throughout. |
| Solution | Homogeneous mixture that remains constantly and uniformly mixed and has particles that are so small they cannot be seen with a microscope. |
| Colloid | Heterogeneous mixture whose particles never settle. |
| Tyndall Effect | Scattering of a light beam as it passes through a colloid. |
| Suspension | Heterogeneous mixture containing a liquid in which visible particles settle. |