AP Chemistry - Polyatomic Ions
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1
Acetate
CH3COO-
-1 Charge
-1 Charge
2
Hydrogen Carbonate [Bicarbonate]
HCO3
-1 Charge
-1 Charge
3
Hydrogen Sulfate [Bisulfate]
HSO4-
-1 Charge
-1 Charge
4
Hydrogen Sulfite
HSO3-
-1 Charge
-1 Charge
5
Hypocholrite
ClO-
-1 Charge
-1 Charge
6
Thiocyanate
SCN-
-1 Charge
-1 Charge
7
Cyanate
OCN-
-1 Charge
-1 Charge
8
Amide
NH2-
-1 Charge
-1 Charge
9
Azide
N3-
-1 Charge
-1 Charge
10
Chlorite
ClO2-
-1 Charge
-1 Charge
11
Chlorate
ClO3-
-1 Charge
-1 Charge
12
Perchlorate
ClO4-
-1 Charge
-1 Charge
13
Bromate
BrO3-
-1 Charge
-1 Charge
14
Hydroxide
OH-
-1 Charge
-1 Charge
15
Nitrite
NO2-
-1 Charge
-1 Charge
16
Nitrate
NO3-
-1 Charge
-1 Charge
17
Cyanide
CN-
-1 Charge
-1 Charge
18
Permanganate
MnO4-
-1 Charge
-1 Charge
19
Dihydrogen Phosphate
H2PO4-
-1 Charge
-1 Charge
20
Iodate
IO3-
-1 Charge
-1 Charge
21
Oxalate
C2O4 2-
-2 Charge
-2 Charge
22
Carbonate
CO3 2-
-2 Charge
-2 Charge
23
Chromate
CrO4 2-
-2 Charge
-2 Charge
24
Sulfate
SO4 2-
-2 Charge
-2 Charge
25
Sulfite
SO3 2-
-2 Charge
-2 Charge
26
Dichromate
Cr2O7 2-
-2 Charge
-2 Charge
27
Silicate
SiO3 2-
-2 Charge
-2 Charge
28
Thiosulfate
S2O3 2-
-2 Charge
-2 Charge
29
Hydrogen Phosphate
HPO4 2-
-2 Charge
-2 Charge
30
Periodate
IO4-
-1 Charge
-1 Charge
31
Benzoate
C7H5O2-
-1 Charge
-1 Charge
32
Phosphate
PO4 3-
-3 Charge
-3 Charge
33
Phosphite
PO3 3-
-3 Charge
-3 Charge
34
Arsenate
AsO4 3-
-3 Charge
-3 Charge
35
Arsenite
AsO3 3-
-3 Charge
-3 Charge
36
Ammomium
NH4+
1 Charge
1 Charge