Sito's Element Puzzle

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Across
  1. 1. has a type of blue named after it
  2. 4. _____ pencils
  3. 6. Root word is hydro
  4. 7. cleans pools
  5. 9. It is the "bismol" in "Pepto-Bismol"
  6. 10. _____ man
  7. 12. symbol is W
  8. 13. number 118
  9. 16. Make's your voice sound higher
  10. 18. Roman Hermes
  11. 20. Is a brown reddish wire
Down
  1. 2. Are-Scenic
  2. 3. lights signs up
  3. 5. You wrap stuff in it's sliver looking foil
  4. 8. Is in matches
  5. 11. You need it to survive
  6. 14. Yellow and valuable
  7. 15. Smells really bad
  8. 17. superman's weakness
  9. 19. is in milk