Drag the tiles to the correct boxes to complete the pairs.
Chromium is a transition metal, and oxygen has an oxidation number of -2. Use this information to match each compound to its chemical
formula.

Respuesta :

chromium(VI) oxide

chromium(IV) oxide

chromium(IIl) oxide

chromium(ll) oxide

CrO-

CrO2-

CrO3-

Cr2O3-​