What do the numbers on the periodic table mean?

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Tags

  1. #nucleus
  2. #element
  3. #symbol
  4. #neutrons
  5. #there
  6. #table
  7. #elements
  8. #weight
  9. #total
  10. #below
  11. #above
  12. #atomic
  13. #columns
  14. #reflects
  15. #protons
  16. #number
  17. #periodic