PPT Slide

Families of oxoanions exist that differ only in the number of oxygen atoms:

Naming convention for these ions:

If only two oxoanions are in the family:

-the ion with more O atoms takes the nonmetal root and the suffix ì-ate.î

-the ion with fewer O atoms takes the nonmetal root and the suffix ì-ite.î

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Examples: SO42ñ is the sulfate ion; SO32ñ is the sulfite ion.

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Notes:

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