Chemistry final

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Across
  1. 1. common acid
  2. 3. acid with formula CH3COOH
  3. 5. a metal breaking down with oxygen
  4. 7. releases energy
  5. 12. solar energy
  6. 14. strange result
  7. 15. unreactive gas
  8. 16. bottom of the test tube
  9. 20. acid + base
  10. 22. a reaction where one element replaces another in a molecule
  11. 23. baking soda
  12. 25. test for carbon dioxide
  13. 27. ion with more than one atom
  14. 28. absorbs energy
  15. 29. period 4 alkali earth
Down
  1. 1. metal + acid
  2. 2. a law which shall not be broken
  3. 4. paper which measures pH
  4. 5. two or more elements chemically combined
  5. 6. makes things rust faster
  6. 8. in a chemical reaction the atoms are......
  7. 9. a synthetic reaction of life
  8. 10. left side of a chemical equation
  9. 11. a molecule is broken to smaller pieces
  10. 13. made from incomplete combustion
  11. 17. produced in the decomposition of a carbonate
  12. 18. can be separated physically
  13. 19. a type of fuel which is causing global warming
  14. 21. On the periodic table
  15. 24. common base
  16. 26. 3 protons