Across
- 7. a liquid will change to a gas
- 8. arrangement of all chemical elements each element represent one atom of the given element
- 10. uses a filter to separate solids from liquids
- 12. have no charge located in the nucleus
- 13. negative charge located in the electron cloud
- 14. the sum of the number of protons and neutrons
- 15. atoms that have a small amount of space between them
- 16. positive charge located in the nucleus
- 18. two or more elements chemically combined
- 19. a combination of 2 or more pure substances
- 20. atoms that have a large amount of between them
Down
- 1. mixture is different throughout
- 2. equal to the number of protons in the nucleus
- 3. something that you can see or measure without changing the substance
- 4. technique of heating a liquid to create a vapor
- 5. a measure of mass per unit of volume
- 6. is the separation of a mixture by passing it into solution
- 9. has the same composition throughout
- 11. sample of matter with both definite and composition and distinct chemical properties
- 17. atoms that are close to each other