Periodic table

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Across
  1. 3. Used in pools
  2. 6. used in aircraft engine parts
  3. 8. liquid silver
  4. 9. found in salt
  5. 10. element with abbreviation Pu
  6. 12. atomic number is 6
  7. 13. atomic number is 28
  8. 17. Used in dental work and jewelry
  9. 18. third most abundant gas in earth's atmosphere
  10. 20. used in surgeries to sanitize
Down
  1. 1. Element with abbreviation Na
  2. 2. used in kitchens to make pots and pans
  3. 4. found in bananas
  4. 5. Used as a foil to keep foods warm
  5. 7. Element that we breath in
  6. 11. Used for electric in nuclear stations
  7. 14. Superman is from planet
  8. 15. used in 18th century makeup
  9. 16. gas used in glow lamps
  10. 19. a soft yellow metal