| Term | Definition |
|---|
| homogeneous | having uniform properties throughout |
| heterogeneous | having properties that vary throughout the sample |
| compound | chemical combination of 2 or more substances in definite ration |
| pure substance | composed of only one type of matter; consists of elements and compounds |
| element | simplest form of matter |
| mixture | physical combination of 2 or more substances of any phases |
| solute | substance that is dissolved in a solution |
| solvent | substance that does the dissolving in a solution |
| solution | type of homogeneous mixture |
| chemical property | characteristic of a substance that describes how it reacts with other substances |
| physical property | characteristic of a substance that can be observed without changing its identity |
| solubility | ability of a substance to dissolve in another substance |
| suspension | mixture in which the components are dispersed, but will settle out (separate) as energy dies down |
| examples of chemical properties | flammability, combustibility, reactivity, ability to rust |
| examples of physical properties | color, density, odor, mass, atomic radius |
| matter | anything that has mass and takes up space |
| examples of chemical changes | formation of a gas, rusting, combustion, burning |
| examples of physical changes | melting, boiling, dissolving, paper chromatography |
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