What element do most of the polyatomic ions contain?

1 Answer
Meave60
Dec 15, 2015

Most polyatomic ions contain oxygen.

Explanation:

The following table lists many polyatomic ions, and you can see from their formulas that most contain oxygen. Notice also that the names of the polyatomic ions containing oxygen end in -ite or -ate, except for the hydroxide ion.

http://www.ck12.org/user:y2hlbwvwaxnkqgvwaxnklm9yzw../book/EPISD-Chemistry-Version-2.0-District/section/20.5/

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