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What does the ending -ide mean in the name of an ionic compound?

1 Answer

Jan 12, 2018

The ending -ide on the name of an ion means that it is a negatively charged ion, or anion.

Explanation:

It means that it is a negatively charged ion, called an anion.

$NaF$ $"NaF"$ is sodium fluoride with $F^{-}$ $"F"^(-)"$ as the anion.

$MgO$ $"MgO"$ is magnesium oxide with $O^{2 -}$ $"O"^(2-)"$ as the anion.

${CaCl}_{2}$ $"CaCl"_2$ is calcium chloride with ${Cl}^{-}$ $"Cl"^(-)$ as the anion.

${Mg}_{3} N_{2}$ $"Mg"_3"N"_2"$ is magnesium nitride with $N^{3 -}$ $"N"^(3-)$ as the anion.

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