Periodic Table Puzzle - Kristine Knowlson

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Across
  1. 5. 2 Neutrons
  2. 8. 0 Neutrons
  3. 9. [16,7]
  4. 13. Chemical symbol, Au
  5. 15. Hydrogen family, 7th period
  6. 17. Chemical symbol, U
  7. 18. Beryllium family,5th period
  8. 19. This element is in the Lanathide series, and is synthetically prepared.
  9. 21. These elements are touching the staircase.
  10. 22. Chemical symbol, V
  11. 23. Atomic weight is 112.41
Down
  1. 1. Atomic #69
  2. 2. Chemical symbol, Rn
  3. 3. Atomic #111
  4. 4. The rows of the periodic table are called what?
  5. 6. The columns of the periodic table are called what?
  6. 7. Atomic weight is (271)
  7. 10. Chemical symbol, Fe
  8. 11. This elemental group is to the left of the staircase.
  9. 12. 10 Neutrons
  10. 14. Atomic #5
  11. 16. [18,3]
  12. 19. Atomic #46
  13. 20. 35 Neutrons