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