Chemistry Elements

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Across
  1. 3. Makes up most of the air we breathe
  2. 5. Added to water for cavity free teeth
  3. 7. Electrical wires
  4. 11. strong bones
  5. 12. Used in balloons to make them float
  6. 15. Caused thousands of people to "rush"
  7. 17. A liquid that is put on cuts
  8. 20. Extremely radioactive synthetic element that is not found in nature
  9. 24. Used in nuclear reactors
  10. 25. Bananas
  11. 26. Most reactive metal
  12. 28. The element of life and energy
Down
  1. 1. Used in lights
  2. 2. C6H12O6
  3. 4. A light and explosive gas
  4. 6. used in batteries, old paint and diving weights
  5. 8. Atomic number 94
  6. 9. If you come second
  7. 10. kills germs in swimming pools
  8. 13. Gets its name from the Greek word for "colour"
  9. 14. With chlorine, I am salt
  10. 16. Cans and foil
  11. 18. Only metal that's liquid at room temperature
  12. 19. Essential for blood production
  13. 21. A gas produced by trees
  14. 22. A metal and US coins
  15. 23. H2O
  16. 27. The gas smells like rotten eggs