Across
- 2. negative subatomic particle
- 7. a mixture that stays separated
- 8. oil+water
- 9. non-chemical combination of two or more pure substances
- 10. molds to the shape of what it is in
- 14. “ partical size between 10^-7 and 10^5
- 15. molecules that are tightly packed
- 16. international
- 17. periodic table of ________
- 18. an element with a different amount of electrons and protons
- 19. loosely packed molecules
Down
- 1. neutral subatomic particle
- 3. eight protons
- 4. positive subatomic particle
- 5. neutron+protons
- 6. two or more chemically bonded elements
- 11. elements with different amounts of neutrons
- 12. 2 or more atoms combined
- 13. salt+water
- 20. cannot be broken down chemically