Answer :
CrO chromium(II) oxide
Cr₂O₃ chromium(III) oxide
CrO₂ chromium(IV) oxide
CrO₃ chromium(VI) oxide
CrO(O₂)₂ chromium(IV) peroxide
Cr₂O₃ chromium(III) oxide
CrO₂ chromium(IV) oxide
CrO₃ chromium(VI) oxide
CrO(O₂)₂ chromium(IV) peroxide