what are polyatomic ions ? Give examples. who answered this question I will vote him/her.
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Explanation:
Polyatomic ions are ions which consist of more than one atom. For example, nitrate ion, NO3-, contains one nitrogen atom and three oxygen atoms. The atoms in a polyatomic ion are usually covalently bonded to one another, and therefore stay together as a single, charged unit.
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Answer:the group of atoms carrying a net positive or negative electric charge is called fall atomic iron for example
Carbonate ion CO2
Nitrate ion NO3
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