Why CrO is basic but Cr2O3 is amphoteric?

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  1. #those
  2. #cr2o3
  3. #formed
  4. #therefore
  5. #oxidation
  6. #while
  7. #acidic
  8. #electrons
  9. #accept
  10. #amphoteric
  11. #state
  12. #oxides
  13. #basic
  14. #since
  15. #higher
  16. #lower
  17. #behave
  18. #result
  19. #elements
  20. #chromium