English Vocabulary Flash Cards - Chemical Formulas @ englishpdf.com and englishteststore.com File 007 AlF aluminium monofluoride AlFO aluminium monofluoride monoxide AlF2 aluminium difluoride AlF2O aluminium difluoride oxide AlF3 aluminium trifluoride AlF4K potassium tetrafluoroaluminate AlF4Li lithium tetrafluoroaluminate AlF6K3 potassium hexafluoraluminate