The 23 Polyatomic Ions- Chemistry Ch. 4
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The main "need-to-know" polyatomic ions that don't follow the Nomenclature rules for ions.
Last updated 9:16 PM on 9/19/23
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23 Terms
1
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Acetate
C2H3O2^-1
2
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Carbonate
CO3^-2
3
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Hydrogen Carbonate (Bicarbonate)
HCO3^-1
4
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Hydroxide
OH^-1
5
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Nitrite
NO2^-1
6
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Nitrate
NO3^-1
7
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Chromate
CrO4^-2
8
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Dichromate
Cr2O7^-2
9
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Phosphate
PO4^-3
10
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Hydrogen Phosphate
HPO4^-2
11
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Dihydrogen Phosphate
H2PO4^-1
12
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Ammonium
NH4^+1
13
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Hypochlorite
ClO^-1
14
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Chlorite
ClO2^ -1
15
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Chlorate
ClO3^-1
16
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Perchlorate
ClO4^-1
17
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Permanganate
MnO4^-1
18
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Sulfite
SO3^-2
19
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Hydrogen Sulfite (Bisulfite)
HSO3^-1
20
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Sulfate
SO4^-2
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Hydrogen Sulfate (Bisulfate)
HSO4^-1
22
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Cyanide
CN^-1
23
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Peroxide
O2^-2
Note 
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