polyatomic ions (name of formula)

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NO₃⁻

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Nitrate: A polyatomic ion with one nitrogen atom and three oxygen atoms, carrying a -1 charge.

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HCO₃⁻

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Bicarbonate: A polyatomic ion consisting of one hydrogen atom, one carbon atom, and three oxygen atoms, with a -1 charge.

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CO₃²⁻

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Carbonate: A polyatomic ion made up of one carbon atom and three oxygen atoms, carrying a -2 charge.

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ClO₄⁻

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Perchlorate: A polyatomic ion containing one chlorine atom and four oxygen atoms, with a -1 charge.

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SO₃²⁻

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Sulfite: A polyatomic ion composed of one sulfur atom and three oxygen atoms, with a -2 charge.

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PO₄³⁻

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Phosphate: A polyatomic ion consisting of one phosphorus atom and four oxygen atoms, carrying a -3 charge.

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NH₄⁺

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Ammonium: A positively charged polyatomic ion made up of one nitrogen atom and four hydrogen atoms.

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C₂H₃O₂⁻

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Acetate: A polyatomic ion with two carbon atoms, three hydrogen atoms, and two oxygen atoms, carrying a -1 charge.

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CrO₄²⁻

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Chromate: A polyatomic ion consisting of one chromium atom and four oxygen atoms, with a -2 charge.

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MnO₄⁻

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Permanganate: A polyatomic ion made up of one manganese atom and four oxygen atoms, carrying a -1 charge.