Polyatomic Ions

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15 Terms

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Nitrate

NO₃⁻, a polyatomic ion with a charge of negative one.

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Nitrite

NO₂⁻, a polyatomic ion with a charge of negative one and one fewer oxygen than nitrate.

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Sulfate

SO₄²⁻, a polyatomic ion with a charge of negative two.

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Sulfite

SO₃²⁻, a polyatomic ion with a charge of negative two and one fewer oxygen than sulfate.

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Phosphate

PO₄³⁻, a polyatomic ion with a charge of negative three.

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Phosphite

PO₃³⁻, a polyatomic ion with a charge of negative three and one fewer oxygen than phosphate.

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Hydrogen Phosphate

HPO₄²⁻, a polyatomic ion with a charge of negative two.

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Dihydrogen Phosphate

H₂PO₄⁻, a polyatomic ion with a charge of negative one.

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Hydroxide

OH⁻, a polyatomic ion with a charge of negative one.

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Ammonium

NH₄⁺, a polyatomic ion with a charge of positive one.

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Acetate

C₂H₃O₂⁻, a polyatomic ion with a charge of negative one.

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Chlorite

ClO₂⁻, a polyatomic ion with a charge of negative one.

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Chlorate

ClO₃⁻, a polyatomic ion with a charge of negative one.

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Perchlorate

ClO₄⁻, a polyatomic ion with a charge of negative one and the most oxygen in the chlorine series.

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Hypochlorite

ClO⁻, a polyatomic ion with a charge of negative one and the least oxygen in the chlorine series.