How would you name the compound #MnF_3#?

1 Answer
Nathan L.
May 14, 2017

Manganese(III) fluoride

Explanation:

Since manganese is a transition metal with multiple common oxidation states, it is conventional to write its oxidation state of it in the compound in Roman numerals enclosed in parentheses. It's oxidation state is #+3# in this compound, because there are three #F# atoms (ionic charge #-1#) per one #Mn# atom.

For a binary compound, the cation is written first (with specified oxidation state in parentheses afterward) followed by the anion, which will end in -ide: Manganese(III) fluoride.

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