Common Polyatomic Ions used in Chemistry

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Chemistry

Chemical Reactions

AP Chemistry

10th

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28 Terms

1
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hydroxide
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2
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nitrate
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3
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hydrogen carbonate
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4
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hydrogen sulfate
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5
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acetate
CH3COO-
CH3COO-
6
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carbonate
CO3(2-)
CO3(2-)
7
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sulfate
SO4(2-)
SO4(2-)
8
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nitrite
NO2(1-)
NO2(1-)
9
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hydrogen phosphate
HPO4(2-)
HPO4(2-)
10
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phosphate
PO4(3-)
PO4(3-)
11
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chlorate
ClO3-
ClO3-
12
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perchlorate
ClO4-
ClO4-
13
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ammonium
NH4+
NH4+
14
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dimercury
Hg2(2+)
Hg2(2+)
15
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permanganate
MnO4-
MnO4-
16
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bromate
BrO3-
BrO3-
17
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hypochlorite
ClO-
ClO-
18
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chlorite
ClO2-
ClO2-
19
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perbromate
BrO4-
BrO4-
20
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sulfite
SO3(2-)
SO3(2-)
21
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phosphite
PO3(3-)
PO3(3-)
22
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oxalate
C2O4(2-)
C2O4(2-)
23
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cyanide
CN-
CN-
24
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dichromate
Cr2O7(2-)
Cr2O7(2-)
25
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thiosulfate
S2O3(2-)
S2O3(2-)
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chromate
CrO4(2-)
CrO4(2-)
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peroxide
O2(2-)
O2(2-)
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arsenate
AsO4(3-)
AsO4(3-)