Question :

What are polyatomic ions? Give examples?




Class 9



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Answer / Solution

A polyatomic ion is a group of atoms carrying a charge (positive or negative).

For example,
Nitrate : NO3-1, Chlorate : ClO⁻1, Hydroxide : OH⁻1, Acetate : C2H3O2-1, Carbonate : CO⁻2, Sulfate : SO⁻2, Phosphate : PO⁻3, Ammonium : NH⁺1, Cynaide : CN-1

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