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chapter two
section one
| Term | Definition |
|---|---|
| Matter | Anything that has mass and takes up space |
| Substance | A single kind of matter that is pure |
| Physical property | A characteristic of pure substance that can be observed without changing into another |
| Chemical property | A characteristic of a pure substance that describes the ability to change into different |
| Element | Pure substance that can not be broken down by a chemical or physical means |
| Atom | The basic particle from witch all elements are made |
| Chemical bond | A force of attraction between two atoms |
| Molecules | Groups of 2 or more atoms held together by a chemical bond |
| Compound | A pure substance made of 2 or more elements chemically combined in a set ratio |
| Chemical formula | Shows the elements in the compound and ratio of atoms |
| Mixture | Made of 2 or more substances that are together in the same place but not chemically combined |
| Heterogeneous mixture | You can see the different parts of the mixture |
| Homogenous mixture | So evenly mixed you can't see the different parts |
| Solution | A well-mixed mixture containing a solvent and at least one solute that has the same properties throughout (example of a homogenous mixture) |
Created by:
sciencestudy3
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