English Vocabulary Flash Cards - Chemical Formulas @ englishpdf.com and englishteststore.com File 032 Bi2(MoO4)3 bismuth(III) molybdate Bi2O3 bismuth(III) oxide Bi2S3 bismuth(III) sulfide or bismuthinite Bi2Se3 bismuth(III) selenide BrCl bromine chloride BrO3− bromate ion Br2 bromine CCl2F2 dichlorodifluoromethane or freon-12