Respuesta :

For me the answer is E. It is composed of one Ru2+ ion and two F- ions.

The true statement about RuF2 is that it is composed of one Ru^2+ ion and two F^- ions.

The term formula unit aptly applies to ionic compounds. It shows us the minimum possible ratio of ions in the compound.

RuF2 is an ionic compound hence the number of each ion in the lowest possible ratio in the compound can easily be observed from its formula unit.

The formula unit of the compound is RuF2. This formula unit contains one Ru^2+ ion and two F^- ions.

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