Across
- 2. a substance made of atoms of more than one element bound together.
- 4. a substance that cannot be broken down into simpler substances.
- 6. the chemical symbols and numbers indicating the atoms contained in the basic unit of a substance.
- 7. a combination of more than one pure substance.
- 9. substances are not uniformly mixed
- 10. - is anything that has mass and occupies space
Down
- 1. mixing that occurs between individual units
- 3. the mass per unit volume.
- 5. the smallest particle that has the properties of an element.
- 8. the ability to change or move matter.