Across
- 2. smallest particle that has the properties of an element
- 4. anything that has mass and occupies space
- 8. a substance that can not be broken down
- 9. any matter that has a fixed composition and definite properties
- 10. mixing occurs between individual units
Down
- 1. substances are not uniformly mixed
- 3. a combination of more than one pure substance
- 5. chemical symbols and numbers indicating the atoms contained in the basic nit of substance
- 6. the smallest unit of a substance that has all of the properties characteristic of that substance
- 7. a substance made of more than one element bound together