English Vocabulary Flash Cards - Chemical Formulas @ englishpdf.com and englishteststore.com File 195 UF4 uranium(IV) fluoride UF6 uranium(VI) fluoride VBr2 vanadium(II) bromide VBr3 vanadium(III) bromide VCl2 vanadium(II) chloride VCl3 vanadium(III) chloride VSO5 vanadium oxysulfate V2 O3 vanadium(III) oxide