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