Periodic Table CrossWord

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Across
  1. 5. Has an atomic mass of 126.90
  2. 8. has an atomic number of 2
  3. 9. Atomic number 8
  4. 10. has an atomic mass 35.45, found in group 17
  5. 11. Has an atomic number of 16
  6. 13. In group 1 of the periodic table, sitting by itself
  7. 14. Found in group 10, period 4, with the atomic number 28
  8. 16. Has an atomic number of 36
  9. 19. Has an atomic mass of 39.95
  10. 20. atomic mass, 20.18
Down
  1. 1. Has a symbol of Si
  2. 2. Atomic mass of 14.01
  3. 3. Has an atomic mass 26.98
  4. 4. In group 4, period 4,atomic mass # 47.87
  5. 6. Has a symbol of Hg
  6. 7. Atomic number of 9
  7. 12. Has a mass of 79.90
  8. 15. A member of the periodic table, Atomic Number 6.
  9. 17. In group 13, Atomic # 5
  10. 18. Found in group 12, with an atomic mass of 35.39