AP Chemistry Crossword

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Across
  1. 5. a very high energy form of electromagnetic radiation
  2. 6. solid formed when two solutions are mixed
  3. 8. four regions of electron density around the central atom
  4. 11. products of reaction have greater potential energy than reactants
  5. 14. a reaction involving changes in the oxidation state of reactants and products
  6. 15. mixtures which are the same throughout
  7. 17. a dye whose color depends on the pH of a solution
  8. 20. electrons in the outermost shell
  9. 22. an acid found in sodas
  10. 23. does not appear to dissolve in water
  11. 27. proton donor
  12. 28. proton acceptor
  13. 29. a quantum of light
  14. 30. gas molecules colliding with the walls of the container
  15. 31. hydronium ion equals hydroxide ion in solution
Down
  1. 1. a solution which contains the maximum amount of solute
  2. 2. changing from liquid to gaseous state
  3. 3. the time required for the initial concentration to drop by one half
  4. 4. milligrams of solute divided by kilograms of solvent
  5. 7. an acid with only one ionizable proton
  6. 9. the ratio of mass to volume
  7. 10. separation of charges in a molecule
  8. 12. reaction that produces heat
  9. 13. an exothermic reaction with oxygen
  10. 16. screening electrons from the sull force of the nucleus
  11. 18. lowers the energy of activation by creating an alternate reaction pathway
  12. 19. a positively charged ion
  13. 21. bonding in which electrons are shared
  14. 24. two nonbonding electrons
  15. 25. theory used to determine the geometry of molecules and ions
  16. 26. where electrons can be found