Element

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Across
  1. 2. written as Ag in periodic table
  2. 4. positive charge subatomic particle
  3. 7. group 6 period 2
  4. 9. atomic number of 35
  5. 11. atomic number of 15
  6. 13. group 7 period 5
  7. 14. neutral charge located in nucleus
  8. 15. atomic number of 20
  9. 17. negative charge subatomic particle
  10. 19. atomic number of 11
  11. 20. group 8 period 1
Down
  1. 1. group 6 period 3
  2. 3. first element in periodic table
  3. 4. written as K in periodic table
  4. 5. atomic number 7
  5. 6. group 3 period 2
  6. 8. written as Fe in periodic table
  7. 10. group 7 period 3
  8. 12. written as Hg
  9. 16. group 2 period 3
  10. 18. group 1 period 2