Across
- 3. a neutral charged particle
- 4. The center of an atom
- 5. Substance that is dissolved in a solution
- 6. measure of motion of molecules
- 9. A positively charged particle
- 13. The ability to do work
- 14. Change of a liquid to a gas
- 15. Simplest type of pure substance
Down
- 1. Change of a gas to a liquid
- 2. Cannot be dissolved in another material
- 7. two or more substance mixed
- 8. negatively charged particle
- 10. attraction between 2 objects due to gravity
- 11. Mass per unit volume
- 12. anything that has mass and volume