Chem 105 Polyatomic Ions

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Exam on September 19th. Common groups of two or more covalently bonded atoms that carry a net electric charge.

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26 Terms

1
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Hg₂²⁺

Mercury (I)

2
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NH₄⁺

Ammonium

3
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NO₂⁻

Nitrite

4
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NO₃⁻

Nitrate

5
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HSO₄⁻

Bisulfate/Hydrogen Sulfate

6
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OH⁻

Hydroxide

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CN⁻

Cyanide

8
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PO₄³⁻

Phosphate

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HPO₄²⁻

Hydrogen Phosphate

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H₂PO₄⁻

Dihydrogen Phosphate

11
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NCS⁻ or SCN⁻

Thiocyanate

12
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CO₃²⁻

Carbonate

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HCO₃⁻

Bicarbonate or Hydrogen Carbonate

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ClO⁻ or OCl⁻

Hypochlorite

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ClO₂⁻

Chlorite

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ClO₃⁻

Chlorate

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ClO₄⁻

Perchlorate

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C₂H₃O₂⁻

Acetate

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MnO₄⁻

Permanganate

20
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Cr₂O₇²⁻

Dichromate

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CrO₄²⁻

Chromate

22
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O₂²⁻

Peroxide

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C₂O₄²⁻

Oxalate

24
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S₂O₃²⁻

Thiosulfate

25
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SO₃²⁻

Sulfite

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SO₄²⁻

Sulfate