Which one of the following is a polyatomic cation?
A)Nitrate
B)Chromate
C)Permanganate
D)Hydronium
E)Potassium

Name: Which one of the following is a polyatomic cation? A)Nitrate B)Chromate C)Permanganate D)Hydronium E)Potassium
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Quizplus · Accepted Answer

Hydronium (H3O+) is a polyatomic cation consisting of a hydrogen ion (H+) and a water molecule (H2O). It is commonly found in aqueous solutions and acids. Nitrate (NO3-), chromate (CrO42-), permanganate (MnO4-), and potassium (K+) are all anions or monatomic cations.

Which One of the Following Is a Polyatomic Cation