Across
- 2. pure substance,one type of atom
- 7. not evenly mixed mixture
- 8. cannot be separated by physical means
- 11. what goes into a reaction
- 12. evenly mixed mixture
- 13. cold physical change
Down
- 1. two + substances chemically combined
- 3. measure of matter
- 4. a mixture can be...
- 5. smallest unit of matter
- 6. what comes out of a reaction
- 9. two + substances combined
- 10. anything that has mass