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Unit 1: Matter
| Term | Definition |
|---|---|
| matter | Can thus be defined as anything that has mass and takes up place. |
| physical property | A characteristic that can be observed or measured without changing the identity of the substance. |
| chemical property | A relates to substance's ability to undergo changes that transform it into different substances. |
| physical changes | A change in a substance that does not involve a change in the identity of the substance. |
| chemical changes | A change in which one or more substances are converted into different substances. |
| extensive property | Depend on the amount of matter that is present. |
| intensive property | It doesn't depend on the amount of matter present. |
| ductility | The ability of a substance to be hammered thin or drawn out into a wire. |
| malleability | The ability of a substance to be hammered or beaten into a sheet. |
| volume | A measure of the size of a body or region in three -dimensional space. |
| compressibility | The measure of how much a given volume of matter decreases when placed under pressure. |
| density | The ratio of the mass of a substance to the volume of the substance. |
| evaporation | The change of a substance from a liquid to a gas. |
| sublimation | The process in which a solid changes directly into gas. |
| vaporization | The process by which a liquid or solid changes to a gas. |
| element | A substance that cannot be separated or broken down into simpler substancesby chemical means. |
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