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Matter
| Term | Definition |
|---|---|
| Matter | The substance that everything around us consists of |
| Atoms | The smallest component of an element, used in all matter, with protons, neutrons, and electrons |
| Molecules | A unit for matter created by one or more atoms to form a new element or compound. |
| Elements | A combination of one or more of the same atom. |
| Compounds | A combination of two or more of a different type of atom. |
| pure substance | A substance that is made up of only one type of matter that can only be chemically separated. |
| mixture | A substance that is made up of more than one type of matter that can be physically separated. |
| homogeneous | Mixtures that are evenly distributed. |
| heterogeneous | A mixture that is not even distributed throughout. |
| chemical formula | way of expressing information about the proportions of atoms that constitute a particular chemical compound |
| colloid | mixture containing mid-size particles that do not settle out |
| particle size | Indicates how big or small the particles present are. |
| settling out | When particles tend to fall to the bottom of the substance. |
| solution | a mixture containing atoms, ions, or molecules fully dissolved. |
| suspension | a mixture containing particles that settle out if left undisturbed. |
| tyndall effect | dispersed colloid particles scatter light, allowing us to differentiate between colloids & solutions. |
Created by:
2018106
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