Across
- 2. formula- the chemical symbols and numbers indicating the atoms contained in the basic unit of a substance.
- 5. the smallest particle that has the properties of an element.
- 7. a combination of more than one pure substance.
- 8. mixture- substances are not uniformly mixed
- 10. substance- any matter that has a fixed composition and definite properties.
Down
- 1. is anything that has mass and occupies space.
- 3. the smallest unit of a substance that Exhibits all of the properties characteristic of that substance.
- 4. mixture- mixing occurs between individual units
- 6. a substance made of atoms of More than one element bound together.
- 9. a substance that cannot be broken down into simpler substances.