Periodic Table

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Across
  1. 1. I am ZN.
  2. 3. You drink me.
  3. 5. I have a mass of 12.011.
  4. 8. I am AG.
  5. 9. They put me in swimming pools in little amounts.
  6. 12. I am very similar to 'silicone'.
  7. 16. I am AU.
  8. 17. I am UUP.
  9. 18. I an number 38.
  10. 19. I have an atomic mass of 257.095.
Down
  1. 2. I am FE.
  2. 4. I am number 33.
  3. 5. I was dicovered in California.
  4. 6. I am RG.
  5. 7. They put me in balloons.
  6. 10. I have a mass of 1.008.
  7. 11. I am on the right of Tellurium.
  8. 13. I am number 20.
  9. 14. I am number 67.
  10. 15. I am number 36.