Which compound corresponds to the acronym SnF2 in fluoride products?

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Multiple Choice

Which compound corresponds to the acronym SnF2 in fluoride products?

Explanation:
SnF2 is read as tin(II) fluoride. Here, Sn is the symbol for tin, and “stannous” is the traditional name used for tin in the +2 oxidation state. Two fluoride ions (F−) balance that +2 charge, giving tin(II) fluoride. In fluoride products, this compound is known as stannous fluoride. The other possibilities don’t fit: sodium fluoride would be NaF, consisting of sodium with one fluoride; fluorine gas is elemental F2, a diatomic molecule; ammonium fluoride is NH4F, containing the ammonium cation.

SnF2 is read as tin(II) fluoride. Here, Sn is the symbol for tin, and “stannous” is the traditional name used for tin in the +2 oxidation state. Two fluoride ions (F−) balance that +2 charge, giving tin(II) fluoride. In fluoride products, this compound is known as stannous fluoride.

The other possibilities don’t fit: sodium fluoride would be NaF, consisting of sodium with one fluoride; fluorine gas is elemental F2, a diatomic molecule; ammonium fluoride is NH4F, containing the ammonium cation.

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