English Vocabulary Flash Cards - Chemical Formulas @ englishpdf.com and englishteststore.com File 162 NaAsO2 sodium metaarsenite NaAu(CN)2 sodium dicyanoaurate(I) Na2Cr2O7 · 2H2O Sodium dichromate dihydrate Na[B(NO3)4] sodium tetranitratoborate(III) NaBr sodium bromide NaCN sodium cyanide NaC6F5COO pentafluorobenzoate NaC6H5COO sodium benzoate