Polyatomic Ions, Acids, and Bases

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Last updated 4:12 AM on 7/31/26

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27 Terms

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Ammonium

NH₄⁺ - WEAK acid

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Phosphate

PO₄^3-

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Acetate

CH₃COO^- or C₂H₃O₂^-

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Hydroxide

OH^-

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Carbonate

CO₃^2-

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Bicarbonate

HCO₃^-

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Nitrate

NO₃^-

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Nitrite

NO₂^-

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Sulfate

SO₄^2-

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Sulfite

SO₃^2-

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Silver ion

Ag⁺

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Cadmium ion

Cd⁺²

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Zinc ion

Zn⁺²

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Ammonia

NH₃

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Hydrochloric acid

HCl - STRONG acid

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Hydrobromic acid

HBr - STRONG acid

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Nitric acid

HNO₃- STRONG acid

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Sulfuric acid

H₂SO₄- STRONG acid

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Acetic acid

CH₃COOH or HC₂H₃O₂ - WEAK acid

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Hydroiodic acid

HI - STRONG acid

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Chloric acid

HClO₃ - STRONG acid

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Perchloric acid

HClO₄ - STRONG acid

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Phosphoric acid

H₃PO₄ - WEAK acid

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Sulfurous acid

H₂SO₃ - WEAK acid

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Hydrofluoric acid

HF - WEAK acid

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Magnesium hydroxide

Mg(OH)₂ - STRONG base

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Sodium hydroxide

NaOH - STRONG base