Periodic Table Elements

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Across
  1. 2. radiation source for portable x-rays
  2. 3. makes diodes and inferred detectors
  3. 5. powers lasers
  4. 7. helped make the cyclotron
  5. 11. used in light bulbs
  6. 13. used in drilling
  7. 15. most valuable element
  8. 20. named after Brooklyn
  9. 22. helps remove color from glass
  10. 26. not the head balt
  11. 27. named after astronomer Copernicus
  12. 30. makes 2nd place medals
  13. 31. pale, yellow, and brittle
  14. 33. atomic # 107
  15. 37. makes flints for lighters
  16. 39. atomic #100
  17. 40. used to blow up balloons
  18. 41. LI
  19. 44. used in fireworks
  20. 46. used in rockets
  21. 47. discovered in 2000
  22. 48. used in thermometers
  23. 49. used to fill light-bulbs
  24. 52. prevents diseases in salt
  25. 53. highly radioactive
  26. 54. used in the semiconductor industry
  27. 55. atomic weight 281
  28. 57. resistant to electricity flow
  29. 61. titan-like
  30. 65. resists corrosion
  31. 66. atomic weight 258
  32. 68. banned from US in 1974
  33. 70. treats forms of cancer
  34. 72. eliminates static
  35. 75. atomic #66
  36. 77. atomic#19
  37. 80. most abundant element in universe
  38. 81. only a little was ever found
  39. 82. atomic weight 164.93
  40. 84. used for control rods
  41. 86. improves stainless steal properties
  42. 87. makes many alloys
  43. 88. used in electrical contacts
  44. 89. not ocean, but ---
  45. 92. used in smoke detectors
  46. 95. makes salt
  47. 99. atomic # 111
  48. 102. magnetic
  49. 105. used in vacuum tubes
  50. 106. used in furnaces
  51. 107. helps make camera lenses
  52. 108. ---- man
  53. 109. used in making pipes
  54. 110. no scale uses
  55. 111. 85.47 atomic mass
  56. 112. only tiny amounts have been produced
  57. 113. used for writing
  58. 114. makes nuclear powered battery
  59. 115. bones
Down
  1. 1. most reactive of all elements
  2. 4. coats the bearings of high speed motors
  3. 6. used for advertising
  4. 8. used in wire
  5. 9. named after Scandinavia
  6. 10. makes fuel cells
  7. 12. used in jewelry
  8. 14. glows in the dark
  9. 16. atomic #103
  10. 17. poisonous, not radioactive
  11. 18. named after Neptune
  12. 19. has limited practical applications
  13. 21. used as compounds
  14. 23. only small amounts have been made
  15. 24. gold-like
  16. 25. named after Marie Curie
  17. 28. makes welding goggles
  18. 29. used to make tracks
  19. 32. used in photography
  20. 34. used in nuclear weapons and reactors
  21. 35. only used for research
  22. 36. tech-named
  23. 38. colors glass and ceramics
  24. 42. part of a water molecule
  25. 43. used in soft drinks
  26. 45. used in weapons,and x-rays
  27. 47. atomic symbol fl
  28. 50. worth 5 cents
  29. 51. City in Paris
  30. 56. most abundant element in earth's crust
  31. 58. production of ammonia
  32. 59. used in making converters
  33. 60. causes burns when touches skin
  34. 62. berries
  35. 63. 7th most abundant element in the universe
  36. 64. colors enamels and glazes
  37. 67. named after Einstein
  38. 69. used in production of neutrons
  39. 71. makes rat poison
  40. 73. melts near room temperature
  41. 74. used in finding oil wells
  42. 76. atomic weight 286
  43. 78. atomic #117
  44. 79. used as a lubricant
  45. 83. used to make metal bar
  46. 85. used in reactors
  47. 90. discovered in 2006
  48. 91. makes pennies
  49. 93. a red phosphor in television
  50. 94. looks like silver
  51. 96. found in pens
  52. 97. used for motion picture industry
  53. 98. used in tooth fillings
  54. 100. makes drinking water safe
  55. 101. used in sprinkler systems
  56. 103. added to cables as a doping agent
  57. 104. steel additive