Across
- 3. substance made of atoms of more than one element bound together
- 6. mass per unit volume
- 10. are not uniformly mixed
- 12. is anything that has mass and occupies space
- 13. the way a substance reacts to form new substances
- 14. change in composition by forming one or more new substances
- 15. smallest unit of a substance
- 16. has four rules
- 17. the force exerted per unit area of surface
- 18. combination of more than one pure substance
- 19. ability to change or move matter
Down
- 1. smallest particle that has the properties of elements
- 2. characteristic that can be observed or measured without changing the composition
- 4. matter that has a fixed composition
- 5. two or more liquids that don't mix
- 7. mixing occurs between individual units
- 8. change in physical form but not composition
- 9. the chemical symbols and numbers indicating the atoms in the basic unit of a substance
- 11. substance that cannot be broken down into simpler substances
- 15. two or more liquids that are able to dissolve into each other