Science 9 Unit B 3 & 4

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Across
  1. 3. a compound made of two or more non-metals
  2. 4. CH4 + O2 --> CO2 +- H2O
  3. 5. a compound made of a metal and a non-metal
  4. 8. SO2
  5. 12. O2F2
  6. 16. BaCl2
  7. 20. C6H12O6 + O2 --> CO2 + H2O
  8. 21. when a solid forms after mixing two solutions
  9. 22. CH4
  10. 23. CaO
  11. 24. NH3
  12. 25. substances on the right side of the arrow
  13. 26. SiO2
  14. 27. a reaction that releases energy
Down
  1. 1. Na3N
  2. 2. the amount of substance
  3. 6. a reaction goes faster when temperature _________
  4. 7. when an ionic compound breaks apart into ions in solution
  5. 9. molecular compounds tend to have ______ boiling points
  6. 10. a reaction that takes in energy
  7. 11. ionic compounds tend to have _______ boiling points
  8. 13. substances on the left side of the arrom
  9. 14. Fe + O2 --> Fe2O3
  10. 15. when a substance become aqueous
  11. 17. LiF
  12. 18. a substance that is not consumed, but makes a reaction go faster
  13. 19. a biological catalyst