Question

2 example of polyatomic ion​

Answer 1

Answer:

Well-known examples of such polyatomic ions are the sulfate ion (SO42–), the hydroxide ion (OH–), the hydronium ion (H3O+), and the ammonium ion (NH4+).

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Answer 2

Answer:

Polyatomic Ionic Compound Sulfuric Acid

For example, sulfuric acid H2SO4 contains H+ and the polyatomic SO4-2. ... Polyatomic Ion NH4+ or Ammonium: In most polyatomic ions, it contains oxygen and a negatively charged anions. Ammonium is one of the few positively charged polyatomic ions and doesn't contain oxygen.

Explanation:

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