Periodic Table Puzzle- Alaysha Hillstrom

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Across
  1. 2. 12 neutrons group 2
  2. 4. Columns are called
  3. 6. I have 26 neutrons in group 4
  4. 10. Like onions they have layers
  5. 11. My chemical symbol is Ag
  6. 14. Rows are called
  7. 16. I have 8 protons
  8. 17. My chemical symbol is I
  9. 19. Group 11 Period 6
  10. 20. Group 4 Period 6
  11. 21. I have 80 electrons
  12. 22. I have 31 protons
  13. 23. My chemical symbol is Ni
Down
  1. 1. I have 83 electrons
  2. 3. My chemical symbol is Sg
  3. 5. Group 4 Period 6
  4. 7. 30 neutrons group 8
  5. 8. My chemical symbol is As
  6. 9. Can be calculated by subtracting the atomic number from the atomic mass
  7. 12. My chemical symbol is Pb
  8. 13. My chemical symbol is Ar
  9. 15. 16 neutrons group 16
  10. 18. Group 13 Period 5
  11. 20. My chemical symbol is H