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