How would you name the compound #MnF_3#?

Answer 1

Manganese(III) fluoride

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.

When writing a binary compound, the cation is written first (followed by the anion, which ends in -ide) and the specified oxidation state in parentheses: manganese(III) fluoride.

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Answer 2

Caleb Adams

We refer to the compound as manganese(III) fluoride, or MnF3.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.