The Periodic Table

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Across
  1. 2. (group, Period) (6,6)
  2. 6. I have 4 Electrons.
  3. 9. The weight of something.
  4. 11. A small, positively charged particle of matter found.
  5. 12. (group,Period) (11,7)
  6. 15. (group, Period) (1,1)
  7. 17. Consists of electrically positive protons and electrically neutral neutrons.
  8. 18. I have 46 protons.
  9. 19. Ne
  10. 20. Ga
  11. 22. A small particle with a negative charge that is found in all atoms.
  12. 23. I have 110 neutrons in group 6.
Down
  1. 1. Yb
  2. 3. (group, Period) (6,5)
  3. 4. My atomic number is 28.
  4. 5. I have 157 neutrons in group 4.
  5. 7. I have 30 neutrons in group 8.
  6. 8. I have 125 neutrons in group 17.
  7. 10. Sn
  8. 13. My atomic number is 80.
  9. 14. I have 79 protons.
  10. 15. He
  11. 16. (group, Period) (16,2)
  12. 21. Am