Elements of the Periodic Table

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Across
  1. 4. This element is in group 13, period 3 (US).
  2. 5. This element is in group 17 period 3.
  3. 6. This element is on the right of #19.
  4. 8. This element is under carbon.
  5. 13. This is the first element in group 14.
  6. 15. This element is in group 11, period 6.
  7. 17. Group 17 and period 5.
  8. 18. This element is between oxygen and carbon.
  9. 19. This element is the leftmost is period 4.
  10. 20. Another period 1 element (not hydrogen).
Down
  1. 1. This element is between silicon and sulfur.
  2. 2. This element is the 2nd element of group 2.
  3. 3. This element is underneath oxygen (US).
  4. 7. This element is between nickel and zinc.
  5. 9. This element's atomic number is 8.
  6. 10. This is in group 1, period 3.
  7. 11. This element is directly above iodine.
  8. 12. This is in group 1, period 1.
  9. 14. The symbol for this element is Fe.
  10. 16. This radioactive element is #92.