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Mr.Montesanto
Unit 2: Matter
| Term | Definition |
|---|---|
| Matter | anything that has mass and occupies space |
| Mass | amount of matter(in grams) |
| Properties | definite set of characteristics that define a sustance |
| Extensive Property | property that depends on sample size |
| Intensive Property | property that does not depend on sample size |
| Physical Property | can be measured or observed without producing a new substance |
| Chemical Property | ability of a substance to produce a new substance |
| Physical Change | change in a physical property |
| Chemical Change | change that produces a new substance |
| Mixtures | two or more substances |
| Homogenous Mixtures | each substance is evenly dispersed throughout |
| Heterogenous Mixture | each substance is not uniformly dispersed |
| Pure Substance | any matter that is homogenous and has a fixed composition by mass |
| Elements | atoms of a single type that cannot be decomposed further (gold, carbon) |
| Compounds | two or more elements that are chemically combined (NaCl, H20) |
| Solution | a homogeneous mixture |
| Solute | What is dissolved in a solution |
| Solvent | What the solute is dissolved in ( water) |
| Aqueous Solution (aq) | water is the solvent |
| Universal Solvent | water |
| Filter | material that allows small particles to pass through while trapping large particles |
| Filtrate | substance that passes through filter |
| Residue | substance that remains in the filter |
| Distilation | used to separate solutions by using boiling points |
| Chromatography | separated components of a mixtures, based on attraction with the transporting medium |