Chapter 2 Test review
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Created by:
kevinjones on September 14, 2010
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16 terms
Terms | Definitions |
|---|---|
 Acid | Substance in the solution (H20) that release hydrogen lons H+ |
| Element | Smallest type of matter cannot be broken |
| Ion | A partille that has a positive or negative charge |
| Base | Substance in solution that adsords H+ ions and release Hydroxide lons (OH-) |
| Compound | Two or more element chemically |
| Bond | Attraction betweeen atoms and or moleus can be physical or chemical |
| PH Scale | Relative level of acidity and baselit |
| Mixture | Two or more substances each substance retains its propirties in the mixture |
| Buffer | Substance or compound that pervents large changes in the PH of a soluntion |
| Periodic Table | 90% of the human body is compound of four elements |
| Electron | Responsible for the reactivity of all substance |
| Marormolecule | Large molecule compounsed of smaller molecules |
| Atom | Smallest part of a element that retains properties |
| Neutron | Electically neutral particle in an atomic nucleus |
| Molecule | Smallest portion of a compound that retains perperiais of compound |
| Proton | positively charged particle in an atomic nucleus |
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