Periodic Table

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Across
  1. 2. the seventy-eighth element of the periodic table
  2. 3. the sixth element of the periodic table
  3. 4. the last element of the periodic table
  4. 9. the twenty-ninth element of the periodic table
  5. 11. the seventy-ninth element of the periodic table
  6. 12. the first element of the periodic table
  7. 13. the eighty-seventh element of the periodic table
  8. 14. the twelfth element of the periodic table
  9. 16. the nineteenth element of the periodic table
  10. 19. the eighty-second element of the periodic table
  11. 20. the second element of the periodic table
  12. 21. the thirty-sixth element of the periodic table
  13. 22. the seventy-sixth element of the periodic table
  14. 24. the thirteenth element of the periodic table
Down
  1. 1. the ninth element of the periodic table
  2. 5. the sixteenth element of the periodic table
  3. 6. the element required to breath
  4. 7. the twenty-sixth element of the periodic table
  5. 8. the third element of the periodic table
  6. 9. the twentieth element of the periodic table
  7. 10. the eighty-eighth element of the periodic table
  8. 15. the ninety-ninth element of the periodic table
  9. 17. the seventy-third element of the periodic table
  10. 18. the fifteenth element of the periodic table
  11. 23. the eleventh element of the periodic table