chemistry

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Across
  1. 3. relating to the emission of ionizing radiation or particles
  2. 4. size of wave
  3. 7. between two metals
  4. 9. multiple atoms bonded together with a charge
  5. 12. table of the chemical elements arranged in order of atomic number
  6. 13. metal and non-metal bond
  7. 14. positive charge
  8. 15. emits gama radiation
  9. 17. evenly mixed
  10. 20. observed in a chemical reaction
  11. 22. how badly an atom wants e- in a bond
  12. 23. sheet with hazards and properties of a chemical
  13. 25. can't be seperated physically
  14. 26. two or more substances physically combined
  15. 27. does not depend on amount of property
  16. 30. educated guess
  17. 32. range of wavelengths of energy
  18. 35. also called a column on the periodic table
  19. 36. small nuclei combined to form on bigger nucleus
  20. 39. between two non-metals
  21. 40. number of protons in the nucleus of an atom
  22. 41. charged atom(# of electrons)
  23. 42. shows valence e-
Down
  1. 1. also called a row on the periodic table
  2. 2. gives off energy
  3. 5. e- falls back to original level, gives off energy
  4. 6. ability to dissolve
  5. 8. idea supported with evidence
  6. 10. energy it takes to remove an e-
  7. 11. negative charge
  8. 16. emits alpha particle
  9. 18. same element different mass
  10. 19. depends on the amount of matter
  11. 21. any property that is measurable/obs atoms bondedervable
  12. 24. tells e- location
  13. 28. e- gains energy and jumps to higher e- level
  14. 29. large nucleus loses particles
  15. 31. unevenly mixed
  16. 33. size of atom
  17. 34. eats away/burns
  18. 37. emits an e-, neutron becomes a proton
  19. 38. basic unit of a chemical element