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Elements/Compounds
6.5A Elements and Compounds
| Term | Definition |
|---|---|
| Atom | Smallest particle of an element, made of electrons, protons, & neutrons. |
| Element | Pure substance composed of the same type of atom throughout. |
| Compound | Substance made of 2 or more elements that are chemically combined in fixed amounts. |
| Substance | Any form of matter that is uniform throughout & has consistent properties. |
| Periodic Table of Elements | Table in which all the known elements are arranged by properties & are represented by 1 or 2 letters, referred to as chemical symbols. |
| Matter | Anything that has mass & takes up space. |
| Properties | Physical & chemical characteristics of matter used to describe or identify a substance. |
| Volume | Measure of the space that matter occupies. |
| Mass | Measure of how much matter is present in a substance. |
| Mixture | Combination of 2 or more substances which do not chemically combine. |
| Uniform Composition | Made of the same evenly distributed substance or combination of substances throughout; uni = one |
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