Periodic Table Crossword puzzle

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Across
  1. 2. I am the lightest element
  2. 3. I have 27 neutrons and protons
  3. 6. My atomic number is 14
  4. 9. I am the only post-transition metal in period 3
  5. 10. I am the only liquid in the 12th group
  6. 11. I am the only element in the periodic table that starts with an x
  7. 13. My atomic number is 16
  8. 14. I am the 92nd element in the periodic table
  9. 17. Im found in the alkali metals family and found in bananas
  10. 18. I am the only element in the Lanthanide series that weighs under 140
  11. 19. I have an atomic weight of (226)
  12. 21. I have 39 protons
  13. 23. I am what you breath
  14. 24. I am the only gas in the 6th period
Down
  1. 1. I have 35 electrons
  2. 4. I am the only liquid in the 4th period
  3. 5. i have the atomic symble of Ag
  4. 7. I am found in bones
  5. 8. I weigh 190.23u
  6. 12. I am the heaviest element
  7. 15. weigh 63.546u
  8. 16. I have an atomic number of 46
  9. 20. I have 53 neutrons
  10. 22. My atomic symble is Sn