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