Chemistry Fall Semester Review

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Across
  1. 7. ability to dissolve
  2. 8. size of atom
  3. 11. energy it takes to remove electron
  4. 14. same # of valence electrons on periodic table
  5. 15. decay that gives off 2 protons/ 2 neutrons
  6. 17. SO3
  7. 19. metal/nonmetal bond
  8. 22. flammability,reactivity,health,toxicity
  9. 26. properties like shape, size, or mass
  10. 29. prefix for seven
  11. 31. particles that can be compressed
  12. 32. to right of metalloids
  13. 33. property that is measurable
  14. 36. same element, different mass
  15. 37. tendency to attract electrons
  16. 39. nonmetal bond
  17. 40. prefix for 10
Down
  1. 1. CO prefix 2
  2. 2. NH4
  3. 3. same # of energy levels on periodic table
  4. 4. small nuclei combine
  5. 5. prefix for 4
  6. 6. group just to the right of Noble gases
  7. 9. breaks down
  8. 10. unstable isotope that will decay
  9. 12. CLO2
  10. 13. charged particle
  11. 14. decay that does not affect charge or mass
  12. 16. e falls back down, giving off energy
  13. 18. e jumps a level
  14. 20. reactive/chemical composition property
  15. 21. properties like boiling point and color
  16. 23. to left of metalloids
  17. 24. F subscript 2
  18. 25. large nuclei split
  19. 27. idea with evidence
  20. 28. educated guess
  21. 30. positive charge
  22. 33. prefix for five
  23. 34. decay that has a charge of negative one
  24. 35. negative charge
  25. 38. gives off radiation