Periodic Table Puzzle - Chantale

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Across
  1. 2. I am a non-metal in group 14 period 3
  2. 5. My chemical symbol is C
  3. 6. (9,4)
  4. 8. I am in group 14 and I have 50 electrons
  5. 9. I have 3 protons and I am in period 2
  6. 11. I have 20 neutrons in group 2
  7. 12. (2,7)
  8. 14. my chemical symbol is Ag
  9. 16. I have one proton
  10. 18. I have 5 neutrons
  11. 20. I have 10 in group 18
  12. 21. I have 10 neutrons
  13. 23. My chemical symbol is Mg
Down
  1. 1. I have 35 neutrons in group 12
  2. 2. I have 11 electrons
  3. 3. my chemical symbol is Hf
  4. 4. I have 39 neutrons
  5. 7. (11,6)
  6. 10. I am a transition metal and I have 22 protons
  7. 13. (17,3)
  8. 15. I have 8 neutrons in group 16
  9. 17. My atomic number is 26
  10. 19. My atomic number is 2
  11. 22. I have 82 protons