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ch. 15 vocab--
Question | Answer |
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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 all 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. |