English Vocabulary Flash Cards - Chemical Formulas @ englishpdf.com and englishteststore.com File 192 TiO2 titanium dioxide TiO32− titanate ion TlBr thallium(I) bromide TlBr3 thallium(III) bromide Tl(CHO2) thallium(I) formate TlC2H3O2 thallium(I) acetate Tl(C3H3O4) thallium(I) malonate TlCl thallium(I) chloride