the Periodic Table

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Across
  1. 2. what does "Na" symbol represent
  2. 4. what does "Cu" symbol represent
  3. 6. what does "Be " symbol represent
  4. 9. what is silicon's mass number
  5. 11. what does "Ca " symbol represent
  6. 12. What element has the symbol of "Fe"
  7. 15. what does "Mg" symbol represent
  8. 16. what does "Ne" symbol represents
  9. 17. how many groups are there in the Periodic Table
  10. 18. the number of periods in Periodic Table
  11. 20. from 118 atoms how many synthetic are there
  12. 22. Table
  13. 23. what does "Zn" symbol represent
  14. 24. vertical columns on the Periodic Table
Down
  1. 1. is aluminum metal or non-metal
  2. 3. the inventor of the
  3. 5. What is the most reactive element in first 20 element in periodic table
  4. 7. What element in group 1 has the least reactivity
  5. 8. What element has a atomic mass of 16
  6. 10. 8 What group does not form compounds
  7. 13. from 118 atoms how many nature atoms are there
  8. 14. Right side of the Periodic Table
  9. 17. what is sodium's atomic number
  10. 19. horizontal rows on the Periodic Table
  11. 21. what is the least reactive element
  12. 25. number of carbon's electrons