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properties of matter
nlloyd-pnhs-properties of matter I.S. vocab
| Question | Answer |
|---|---|
| pure substance | matter that always has exactly the same composition |
| element | substance that cannot be broken down into simpler substances |
| atom | the smallest particle of an element |
| compound | substance that is made from two or more simpler substances and can be broken down into those simpler substances |
| heterogeneous mixture | parts of the mixture are noticeably different from one another |
| homogeneous mixture | the substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another |
| solution | when substances dissolve and form a homogeneous mixture |
| suspension | heterogeneous mixture that separates into layers over time |
| colloid | contains some particles that are intermediate in size between the small particles in a solutoin and the larger particles in a suspension |