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