The Periodic Table

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Across
  1. 2. yellow substance, smells bad
  2. 3. in ceramics, fiberglass
  3. 7. nirvana song
  4. 8. atomic number is 54
  5. 13. found in pools and bleach
  6. 15. substitute for platinum, named after a Greek hero
  7. 16. 60-70% is used in the electronic industry
  8. 17. one directions 4th album is the atomic number of this element
  9. 19. named after a state where Sacramento is the capital
  10. 20. planet, something found in thermometers
  11. 22. lightest gas
  12. 23. in bananas
  13. 24. found in pencils
  14. 27. foods that are high in fiber contain this
  15. 30. a poison
  16. 33. highest melting point of all elements
  17. 35. found in milk, makes your bones strong
  18. 37. in fluorescents lamps, supermans weakness +ite
  19. 38. used in salt
  20. 39. color is pure white, when it is exposed to air it becomes black
  21. 40. something that causes you to have a high-pitched voice when inhaled
Down
  1. 1. in Greek it means smell
  2. 4. a radioactive noble gas, one of the most dense substances that remains a gas
  3. 5. in spanish it's origin is translated to little silver
  4. 6. has only 1 naturally occurring isotope, one of the rarest and most valuable metal in the platinum group
  5. 9. 5 cent coin
  6. 10. found in California, Finder would usually yell "eureka!" after discovering it
  7. 11. A song by David Guetta featuring Sia
  8. 12. atomic number of 31
  9. 14. a rubbery material often used in plastic surgery
  10. 18. the element named after the scientist who studied at cal-tech and Princeton after marrying his cousin
  11. 21. a shade of blue
  12. 25. 3rd most common gas
  13. 26. used in sunscreen
  14. 28. foil used to wrap foods
  15. 29. atomic number 87
  16. 31. second place medal
  17. 32. used to make pennies
  18. 34. used to make lacrosse shafts, considered a rare earth element
  19. 36. in Greek it means violet or purple, primarily used in nutrition