Periodic Table :))))))))))

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Across
  1. 4. It's atomic weight is 20.18
  2. 6. Group that has +2 ion charge
  3. 7. The only gas in group 1
  4. 9. The number that is on top of the symbol
  5. 10. An element that has 196.966.569 as average atomic mass
  6. 12. It has a symbol Mg
  7. 13. A group that is caleed carbon family
  8. 14. They come between group 2 and 13
  9. 17. A element that has 6 in her atomic number
  10. 19. Last group in the transition metals
  11. 21. Has 50 in it's atomic number
  12. 23. Has a symbol v
  13. 24. Has a symbol Li
Down
  1. 1. It has a symbol Hg
  2. 2. Number of groups in the periodic table
  3. 3. Comes under the atomic number
  4. 5. Has a symbol Db
  5. 7. The name of group 17
  6. 8. A group that has hydrogen
  7. 9. The number that is under the name of the element
  8. 11. It's either metals or non metals but it has halogens, noble gases, and others.
  9. 12. Semiconductors
  10. 13. The group is called halogens
  11. 15. The name of group 18
  12. 16. Has a symbol Ti
  13. 18. Has 6 in her atomic number and it's in group 17
  14. 20. It has a symbol K
  15. 22. Something that gives the aproval for the systemic names and symbols for elements greater than 111 to be used