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