Periodic table crossword sub activity

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12345678910111213141516171819202122232425
Across
  1. 2. an element with the atomic number 83
  2. 4. an element with the atomic number 7
  3. 5. an element with the atomic number 92
  4. 7. an element with the atomic number 14
  5. 8. an element with the symbol Xe
  6. 9. an element with the atomic mass of 32.065
  7. 11. an element with the atomic mass 207.20
  8. 16. an element with the atomic number 32
  9. 17. the symbol that goes to the element nickel
  10. 20. an element with the atomic number 29
  11. 22. an element with the atomic number 117
  12. 24. an element with the atomic mass 121.76
  13. 25. an element with the atomic number 11
Down
  1. 1. an element with the atomic mass 6.9410
  2. 3. the element discovered in 1797
  3. 6. an element with the symbol AU
  4. 10. an element with the atomic number 86
  5. 12. an element with the atomic number 18
  6. 13. an element with the symbol ¨H¨
  7. 14. an element with the atomic number 80
  8. 15. the element with the symbol Al
  9. 18. an element with the atomic mass 126.90
  10. 19. an element with the symbol Ne
  11. 21. an element with the atomic number 46
  12. 23. the symbol that goes to the element zinc