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chemistrey
unit 1
| Question | Answer |
|---|---|
| chemistry | is the study of matter and how it changes |
| matter | take up space and has mass |
| mass | amount of space something takes up |
| compound | matter consisting of atoms of diffent element |
| element | matter consists of only atoms |
| mixture | matter with variable composition |
| substance | matter with variable constant |
| homogeneous mixture | mixture of pure elements that is the same thoughout |
| heterogeneous mixture | mixture of pure element that is not the same thoughout |
| colloid | heterogeneous mixture with small particles that hang in mixture |
| suspention | heterogeneous mixture with large particles that settle |