Across
- 3. mixing between individual units
- 4. substance matter that has fixed composition and definite properties
- 5. The way another substance reacts with others to form a new substance with different properties
- 7. a element substance that cannot be broken down
- 9. combination of more than one pure substance
- 10. The force exerted per unit area of a surface
- 12. Anything that has mass and occupies space
- 15. Smallest unit of a substance that
Down
- 1. Substance made of atoms of more than one element bound together
- 2. Substances are not uniformly mixed
- 6. chemical symbols and numbers indicating the atoms contained in the basic unit of a substance
- 8. all of the properties characteristic of a substance
- 10. a characteristic of a substance that can be observed or measured without changing the composition of the substance.
- 11. The ability to change or move matter
- 13. smallest unit that has the properties of of an element.
- 14. The mass per unit volume
