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Vocab
Term | Definition |
---|---|
Chemical Change | Change of one substance into a new substance |
Chemical Property | Any characteristic of any a substance,such as flammability, that indicates whether it can undergo a certain chemical change. |
Colloid | Heterogeneous mixture whose particles never settle. |
Compound | Substance formed from two or more elements in which the exact combination and proportion of elements is always the same. |
Distillation | Process that can separate two substances in a mixture by evaporating a liquid and re-condensing its vapor. |
Element | Substance with atoms that are all alike. |
Heterogeneous Mixture | Mixture, such as mixed nuts or a dry soup mix, in which different materials are unevenly distributed and are easily identical. |
Homogeneous Mixture | Solid, liquid, or gas that contains two or more substances blended evenly throughout. |
Law of Conservation of Mass | States that the mass of all substances present before a chemical change equals the mass of all substances remaining after the change. |
Physical Change | Any change in size, shape, or state of matter in which the identity of the substance remains the same. |
Physical Property | Any characteristic of a material, such as size or shape, that you can observe or attempt to observe without changing the identity of the material. |
Solution | Homogeneous mixture that remains constantly and uniformly mixed and has particles that are so small they cannot be seen with a microscope. |
Substance | Element or compound that cannot be broken down into simpler components and maintain the properties of the orginal substance. |
Suspension | Heterogeneous mixture containing a liquid in which visible particles settle. |
Tyndall Effect | Scattering of a light beam as it passes through colloid. |