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Science 6 64
Chapter 1: Section 1 Describing Matter
| Question | Answer |
|---|---|
| matter | Anything that has mass and takes up space |
| chemistry | The study of the properties of matter and how matter changes |
| substance | A single kind of matter that is pure and has a specific set of properties |
| physical property | A characteristic of a pure substance that can be observed without changing it into another substance |
| chemical property | A characteristic of a pure substance that describes its ability to change into a different substance |
| element | A pure substance that cannot be broken down into other substances by chemical or physical means |
| atom | The basic particle from which all elements are made |
| chemical bond | The force that holds two atoms together |
| molecule | A particle made of two or more atoms bonded together |
| compound | A pure substance made of two or more elements chemically combined |
| chemical formula | A formula that gives the elements in a compound and the ratio of atoms |
| mixture | Two or more substances that are mixed together but not chemically combined |
| heterogeneous mixture | A mixture in which pure substances are unevenly distributed throughout the mixture |
| homogeneous mixture | A mixture in which substances are evenly distributed throughout the mixture |
| solution | An example of a homogeneous mixture--forms when substances dissolve |
Created by:
sullivan64
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