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Chapter 2
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| Question | Answer |
|---|---|
| matter | anything that takes up space. |
| pure substance | a substance that is not a mixture, and that is pure. |
| element | one class of substances that can not be seperated. |
| compound | composed of two or more elements. |
| mixture | product of mixing. |
| homogeneous solution | one substance is dissolved into another, and you can not tell the difference. |
| heterogeneous solution | two or more substances mixed, and you could see the two different substances. |
| distillation | the purifacation or concentration of a substance |
| physical properties | properties that can be seen, touched, or smelt. |
| physical changes | changes that effect the physical properties of an object. |
| chemical changes | changes that effect a substances chemical make up |
| chemical properties | the chemical make up of a substance |
| law of conservation of matter | matter can not be destroyed, it can only be changed. |