Common Polyatomic Ions

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27 Terms

1
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ammonium
NH₄⁺
2
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nitrite
NO₂⁻
3
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nitrate
NO₃⁻
4
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sulfite
SO₃²⁻
5
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sulfate
SO₄²⁻
6
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hydrogen sulfate (bisulfate)
HSO₄⁻
7
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hydroxide
OH⁻
8
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cyanide
CN⁻
9
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phosphate
PO₄³⁻
10
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hydrogen phosphate
HPO₄²⁻
11
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dihydrogen phosphate
H₂PO₄⁻
12
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thiocyanate
NCS⁻ or SCN⁻
13
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carbonate
CO₃²⁻
14
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hydrogen carbonate (bicarbonate)
HCO₃⁻
15
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hypochlorite
ClO⁻ or OCl⁻
16
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chlorite
ClO₂⁻
17
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chlorate
ClO₃⁻
18
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perchlorate
ClO₄⁻
19
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acetate
C₂H₃O₂⁻
20
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permanganate
MnO₄⁻
21
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chromate
CrO₄²⁻
22
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dichromate
Cr₂O₇²⁻
23
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peroxide
O₂²⁻
24
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oxalate
C₂O₄²⁻
25
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thiosulfate
S₂O₃²⁻
26
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borate
BO₃³⁻
27
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amide
NH₂⁻