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Unit 1.2
Science
| Term | Definition |
|---|---|
| Atom | - the smallest unit of an element that maintains the properties of that element. |
| Element | - a substance that cannot be separated or broken down into simpler substances by chemical means. |
| Compound | - a substance made up of atoms of two or more different elements joined by chemical bonds. |
| Mixture | - a combination of two or more substances that are not chemically combined. |
| Pure Substance | - a sample of matter, either a single compound, that has definite chemical and physical properties. |
| Heterogenous | - describes something that does not have a uniform structure or composition throughout. |
| Homogeneous | - describes something that has a uniform structure or composition throughout. |
| Solid | - the state of matter in which the volume and shape of a substance are fixed. |
| Liquid | - the state of matter that has a definite volume but not a definite shape. |
| Gas | - a form of matter that does not have a definite volume or shape. |
| Freezing | - the change of state from a liquid to a solid. |
| Melting | - the change of a state from a solid to a liquid. |
| Evaporation | - the change of state from a liquid to a gas that usually occurs at the surface of a liquid over a wide range of temperatures. |
| Boiling | - the change of state from a liquid to a gas that occurs at a specific temperature. |
| Condensation | - the change of state from gas to a liquid |
| Sublimation | - the change of state from a solid directly to a gas |
| Deposition | - the change of state from a gas directly to a solid |
Created by:
ggmays3
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