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properties of matter
vocab
| Question | Answer |
|---|---|
| what is a Pure substance? | matter that always has exactly the same composition |
| how many elements are there? | only about 100 |
| what is an atom apart of? | element |
| how many elements does a fixed proportion contain? | 2 or more elements |
| can solutions scatter light? | yes |
| is suspension a heterogenerous mixture? | yes |
| what size is a colloid? | intermediate size |