Polyatomic Ions

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Chemistry

Molecular & Ionic Compounds

COLLEGE

Last updated 12:35 AM on 7/25/26
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24 Terms

1
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CN-

Cyanide

2
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SCN-

Thiocyanate

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OH-

Hydroxide

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NO₃-

Nitrate

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NO₂-

Nitrite

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C₂H₃O₂- or CH₃COO-

Acetate

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MnO₄-

Permanganate

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ClO₄-

Perchlorate

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ClO₃-

Chlorate

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ClO₂-

Chlorite

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ClO-

Hypochlorite

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HCO₃-

Hydrogencarbonate (or bicarbonate)

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HSO₄-

Hydrogensulfate (or bisulfate)

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CO₃²-

Carbonate

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C₂O₄²-

Oxalate

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SO₄²-

Sulfate

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SO₃²-

Sulfite

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C₈H₄O₄²-

Phthalate

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CrO₄²-

Chromate

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O₂²-

Peroxide

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PO₄³-

Phosphate

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PO₃³-

Phosphite

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AsO₄³-

Arsenate

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NH₄+

Ammonium