English Vocabulary Flash Cards - Chemical Formulas @ englishpdf.com and englishteststore.com File 012 Al2S3 aluminium sulfide Al2Se dialuminium selenide Al2Te dialuminium telluride Al3F14Na5 chiolite Al6BeO10 beryllium aluminium oxide Al6O13Si2 mullite ArClF argon chloride fluoride ArClH argon chloride hydride