Periodic Table Puzzle- Sofia Christiansen

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Across
  1. 2. I have 12 neutrons and group 7 period 4
  2. 7. They are rows.
  3. 8. My chemical symbol is Pb
  4. 9. They are in columns
  5. 10. I have 8 protons.
  6. 12. My Chemical symbol is Sg.
  7. 14. Group 13 period 5.
  8. 17. My chemical Symbols are N.
  9. 18. I have 83 protons.
  10. 19. My chemical symbol is Rn.
  11. 20. I have 26 neutrons and in group 4 and period 4.
  12. 21. My chemical symbol is Sn
  13. 22. Group 11 Period 6
Down
  1. 1. Ground 4 period 6.
  2. 3. They are like onions they have layers.
  3. 4. I have protons 80.
  4. 5. My chemical symbols is H.
  5. 6. My Chemical symbol is Ts
  6. 11. My Chemical symbol is Xe
  7. 13. I have 31 protons.
  8. 15. have 16 neutrons ground 16 period 2
  9. 16. I have 30 neutron and group 8 and period 4