Across
- 2. anything that has mass and takes up space
- 4. a process involving one or more substance changing into a new substance
- 6. liquid, solid, gas
- 8. combining of two or more substances
- 10. intermediate between a solution and a suspension that will not separate out (cornstarch & water)
- 11. electrostatic force that hold oppositely charged particles together (table salt-NaCl)
- 12. measure of the amount of matter that an object contains
- 13. when atoms share electrons (water-H2O)
- 15. neutral particle in an atom
- 17. an atom with a different amount of neutrons than protons
- 18. the amount of protons in an atom
- 19. a mixture that allows light to pass through it (salt water)
Down
- 1. electrons farthest away from the nucleus of an atom
- 3. negative charged particle in an atom
- 5. when the physical properties of an substance change
- 7. a cloudy mixture that over time will separate out (flour & water)
- 9. positive charged particle in an atom
- 14. the amount of protons and neutrons in an atom
- 16. negatively or positively charged atom