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