Bismuth is in the + 3 oxidation state .
Bismuth subcarbonate ( BiO ) CO , sometimes written Bi O ( CO ) is a chemical compound of bismuth containing both oxide and carbonate anions .
Bismuth subcarbonate is in the + 3 oxidation state .
Bismuth subcarbonate ( BiO ) CO , sometimes written Bi O ( CO ) is a chemical compound of bismuth containing both oxide and carbonate anions .