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Definitions from the Web

Polyatomic Ion

Definition:

A polyatomic ion is a group of atoms that carries a net electric charge and behaves as a single unit in chemical reactions.

Examples:

1. Nitrate ion: NO₃^-

The nitrate ion is commonly found in fertilizers.

2. Hydroxide ion: OH^-

Dissolving sodium hydroxide in water releases hydroxide ions.

3. Ammonium ion: NH₄⁺

The ammonium ion is formed by the combination of ammonia and a proton.

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• Polyatomic Ion Chemistry Books
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