periodic table puzzle-Aiden werner

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12345678910111213141516171819202122
Across
  1. 2. I have 6 neutrons in group 14
  2. 5. (7,7)
  3. 7. I have 79 electrons
  4. 8. Cl
  5. 11. I have 20 neutrons in group 2
  6. 13. I have 8 electrons
  7. 14. Sn
  8. 15. Ba
  9. 16. F
  10. 17. Sc
  11. 18. I have 16 electrons
  12. 20. (5,7)
  13. 21. I have 10 neutrons in group 18
  14. 22. (1,4)
Down
  1. 1. A stable particle with a positive charge
  2. 3. 18,3)
  3. 4. I have 30 electrons
  4. 6. A stable particle with a negative charge
  5. 9. A paticle with no charge
  6. 10. I have 5 neutrons in group 2
  7. 12. A source of nuclear energy
  8. 13. I have 76 electrons
  9. 17. (11,5)
  10. 19. I have 28 neutrons in group 5