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vocab
chem
| Term | Definition |
|---|---|
| Physical change | A change in size, shape, or state. |
| Chemical change | Characteristic of a substance that indicates whether it can undergo a chemical change. |
| Substance | A type of matter with a fixed composition. |
| Element | If all the atoms in a substance has the same identity it becomes {blank}. |
| Compound | A substance in which the atoms of 2 or more elements are combined. |
| Heterogeneous Mixture | Mixture in which different materials can easily be distinguished. |
| Homogeneous Mixture | Contains 2 or more gases, liquids, or solids substances blended evenly. |
| Solution | Homogeneous mixture with particles so small that they cannot be seen with a microscope. |
| Physical Property | Characteristic of a material you can observe without changing the identity. |
| Chemical Property | A change in size, shape, or state. |
| Melting Point | The point in temperature when the solid starts to liquefy. |
| Boiling Point | The point in temperature when the liquid starts to boil. |
| Chemical Reaction | More than one substances turning into other substances. |
| Chemical Formula | A formula that shows what elements are in a compound and what it will become. |
| Pressure | Force exerted per area. |
| Heat of Vaporization | Amount of energy required for a liquid to become a gas. |
| Diffusion | Spreading of particles throughout a given volume until they are distributed. |