Chemistry Final Crossword Puzzle

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Across
  1. 2. educated guess
  2. 5. distribution of electrons in a atom
  3. 7. observed or measured
  4. 9. atom with charge
  5. 10. energy it takes to remove an e-
  6. 11. composition is not uniform
  7. 14. way of giving info about the chemical proportions of atoms
  8. 15. shows valence e-
  9. 18. emits gamma radiation
  10. 19. positive charged ion
  11. 20. eats away
  12. 22. safety regulations followed during lab
  13. 23. small nuclei combines to form 1 large nuclei
  14. 26. metals delocalized e-
  15. 30. composition is uniform
  16. 33. e- gains energy and jumps to high level
  17. 35. amount doesnt matter
  18. 36. well-sustained explanation
  19. 37. safety data sheet
  20. 38. reactivity or chemical composition
  21. 39. covalent bonded atoms with charge
  22. 40. substance's ability to dissolve in liquid
Down
  1. 1. fixed composition
  2. 3. nonmetals, share e-
  3. 4. mix of substances not chemically combined
  4. 6. elements with same atomic #; position of table
  5. 8. the theory that all matter is made up of tiny indivisible particles
  6. 12. emits alpha particles
  7. 13. range of wavelengths in radiation
  8. 16. gives off energy
  9. 17. unstable isotope that will decay
  10. 21. e- returns to original level
  11. 24. metal +nonmetal bonds, transfers e-
  12. 25. negitve charged ion
  13. 27. large nuclei splits to form smaller nuclei
  14. 28. how bad an atom wants to bond to e-
  15. 29. small to high energy on EM
  16. 31. amount matters observed or measured
  17. 32. size of atom
  18. 34. emits an e-, neutron becomes proton