Periodic Table Crossword Puzzle

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Across
  1. 3. Found in balloons
  2. 5. Attracted to lightning
  3. 7. Add oxygen to make water!
  4. 10. You can apparently eat this metal
  5. 14. Superman's only weakness
  6. 15. Found in bananas
  7. 17. _____Spatula
Down
  1. 1. Glowy...
  2. 2. The thing that comes out of fire
  3. 4. Sell for money!
  4. 6. Added to swimming pools to kill germs
  5. 8. Most coins are made of this
  6. 9. They ARE GONE
  7. 11. You need this to survive!
  8. 12. What foil is made of
  9. 13. If Attack On Titan were a metal
  10. 16. coke can!