No

1234567891011121314151617181920
Across
  1. 1. 16th element of the periodic table
  2. 3. atomic number of 6
  3. 6. atomic number of 1
  4. 8. label on the periodic table is Ne
  5. 10. element needed to live
  6. 12. 13th element of the periodic table
  7. 15. 15th element of the periodic table
  8. 16. 17th element of the periodic table
  9. 18. atomic number of 30
  10. 20. 47th element on the periodic table
Down
  1. 2. atomic number of 82
  2. 4. 7th element of the periodic table
  3. 5. number of periods on periodic table
  4. 7. 4th element of the periodic table
  5. 9. label on the periodic table is Si
  6. 11. name of the inventor of the periodic table
  7. 13. name of group 18 on the periodic table
  8. 14. 5th element of the periodic table
  9. 17. the name of the right side of the periodic table
  10. 19. 18th element on the periodic table