Across
- 2. effect scattering of light
- 4. particles can't settle to the bottom
- 5. periodic table
- 7. always the same materials
- 8. different materials
- 9. takes up space
- 11. contains two or more
Down
- 1. 2 things held by chemical bonds
- 3. atoms are all the same
- 6. microscopic particles
- 7. particles settle to the bottom
- 10. two or more elements