Are there 8 or 18 groups in the periodic table?

0 views

Related questions

Tags

  1. #however
  2. #oxygen
  3. #columns
  4. #group
  5. #numbered
  6. #usually
  7. #between
  8. #described
  9. #there
  10. #groups
  11. #periodic
  12. #example
  13. #variously
  14. #block
  15. #table
  16. #chalcogens