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Chapter4termsCMAC
Christian And Adam's Flash cards
| Question | Answer |
|---|---|
| Element | A pure substance that cannot be separated by physical or chemical means |
| Pure substance | A substance in which there is only one type of particle |
| Characteristic properties | A property of a substance that is always the same |
| Metals | Elements that are shiny and are good conductors of thermal energy and electric currents |
| Non-metals | Elements that are dull and are poor conductors of thermal energy and electric current |
| Metalloids | Elements that have properties of both metals and non-metals |
| Compound | A pure substance composed of two or more elements |
| Mixture | Combination of two or more substances that aren’t chemically combined |
| Solution | Mixture that appears to be a substance |
| Solute | A substance that is dissolved in a solvent |
| Solvent | A substance in which the solute is dissolved |
| Soluble | Soluble: |
| Insoluble | Unable to dissolve |
| Homogeneous mixture | A combination of substances in which appearance and properties are the same throughout. |
| Heterogeneous Mixture | A combination of substances in which different components are easily observed. |
| Concentration | Is a measure of the amount of solute dissolved into a solvent. |
| Solubility | The amount of solute needed to make a saturated solution using a given amount of solvent at a certain temperature |
| Dilute | Does not contain as much solvent or is less solute than other substances. |
| Saturated Solution | A solution that conations all the solute it can hold at a given time. |
| Unsaturated solution: | A solution that does not contain all the solute it can hold at a given time. |
| Suspension | A mixture in which particles of a material are dispersed throughout a liquid or gas but are large enough that they settle out. |
| Colloids | A mixture in which particles are dispersed throughout but are not heavy enough to settle out. |