common polyatomic anions + ammonium
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all 28 common polyatomic anions and ammonium
Last updated 1:27 AM on 9/12/26
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29 Terms
1
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acetate
CH₃COO⁻ or C₂H₃O₂⁻
2
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bromate
BrO₃⁻
3
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hypochlorite
ClO⁻
4
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chlorite
ClO₂⁻
5
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chlorate
ClO₃⁻
6
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perchlorate
ClO₄⁻
7
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cyanide
CN⁻
8
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dihydrogen phosphate
H₂PO₄⁻
9
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hydrogen carbonate
HCO₃⁻
10
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hydrogen sulfate
HSO₄⁻
11
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hydroxide
OH⁻
12
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nitrite
NO₂⁻
13
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nitrate
NO₃⁻
14
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iodate
IO₃⁻
15
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periodate
IO₄⁻
16
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permanganate
MnO₄⁻
17
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carbonate
CO₃²⁻
18
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chromate
CrO₄²⁻
19
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dichromate
Cr₂O₇²⁻
20
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hydrogen phosphate
HPO₄²⁻
21
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oxalate
C₂O₄²⁻
22
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peroxide
O₂²⁻
23
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sulfite
SO₃²⁻
24
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sulfate
SO₄²⁻
25
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thiosulfate
S₂O₃²⁻.
26
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phosphite
PO₃³⁻
27
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phosphate
PO₄³⁻
28
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arsenate
AsO₄³⁻
29
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ammonium
NH₄⁺