Chemistry Review

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Across
  1. 3. unit of measure for volume
  2. 11. the gaining of electrons in a reaction
  3. 14. H, N, O, Cl, I, Br, and F all have this in common
  4. 15. measure the average kinetic energy
  5. 16. if HCl is an acid, Cl is its ___________
  6. 19. ionic compounds _______ electrons
  7. 20. when electrons are equally distributed around a molecule
  8. 22. the mass of one mole of any element
  9. 23. metals that lose one electron
  10. 25. unshared electrons in Lewis dot structures
  11. 26. water has a pH of __________
  12. 28. the point in a reaction where all atoms are combined
  13. 29. formed when nonmetals gain electron
  14. 30. a compound that dissolves in water
  15. 34. the compound in a reaction that prevents more product from being made
  16. 35. The shape of carbon dioxide
  17. 40. the name of SO
  18. 42. elements with 2 valence electrons
  19. 47. a reaction that absorbs energy
  20. 52. slows down a chemical reaction
  21. 53. the loss of electrons in a reactions
Down
  1. 1. bases turn litmus paper ________
  2. 2. these have a -1 oxidation state
  3. 4. A + B  AB
  4. 5. a substance dissolved in water
  5. 6. energy of motion
  6. 7. covalent prefix for 6
  7. 8. the oxidation number of nitrogen in nitrate
  8. 9. the number of bonds in a molecule of oxygen
  9. 10. the oxidation number of carbon in cyanide
  10. 12. two or more elements chemically combined
  11. 13. _______ accept protons
  12. 14. AB --> A + B
  13. 15. the shape of carbon tetrachloride
  14. 17. the most reduced formula for a compound
  15. 18. the overall energy change in a reaction
  16. 21. ionic compounds have a(n) ___________ charge
  17. 24. formed when a reaction produces an insoluble compound
  18. 27. using a more reactive metal to protect another metal
  19. 31. _________ donate protons
  20. 32. used to determine if single replacement reactions take place
  21. 33. coating nickel with a layer of zinc
  22. 36. compounds that dissociate in water and conduct electricity
  23. 37. the oxidation number of chromium in dichromate
  24. 38. speeds up a chemical reaction
  25. 39. this measure the hydrogen ion concentration
  26. 41. a reaction that has a negative enthalpy
  27. 43. elements that do not react with anything
  28. 44. transition metals require this when naming
  29. 45. these compounds create a sea of electrons
  30. 46. acids taste _____
  31. 48. formed when metals lose electrons
  32. 49. This has a definite volume or shape
  33. 50. __________ acids completely dissociate in water
  34. 51. covalent compounds ______ electrons