Periodic table crossword

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Across
  1. 3. goes in a necklace (not gold)
  2. 4. A type of yellow?
  3. 7. It's a planet?
  4. 9. What you put in balloons?
  5. 10. Vitamin with indigestion?
  6. 12. its position as the first and lightest element?
  7. 14. Poisonis to superman?
  8. 17. Vitamin that makes your hair grow long?
  9. 19. What you put in a pool?
  10. 20. Sounds like a planet?
Down
  1. 1. Statue of Liberty is made of?
  2. 2. really strong metal?
  3. 5. What we use to breathe?
  4. 6. It's in a pencil?
  5. 8. ____ foil
  6. 11. Iron man (name is in it)
  7. 13. Einstein invented?
  8. 15. You get frostbite from just touching it?
  9. 16. It's in milk?
  10. 18. It's 5 cents in money?