<Li> FeCl: iron (II) chloride </Li> <Li> FeCl: iron (III) chloride </Li> <Li> K (MnO): potassium manganate (VII) (rarely used except in pre-university education, potassium permanganate is ubiquitous) </Li> <Li> (Co (NH)): hexaamminecobalt (III) </Li>

When do you use the stock system in chemistry