Table Of Selected Polyatomic Ions Chart
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1
2Table of Selected Polyatomic Ions
Ions Sorted Alphabetically by Name
2-
hydrogen phosphate
HPO
Cations:
4
+
2-
ammonium
NH
hydrogen phosphite
HPO
4
3
+
-
hydronium
H
O
hydrogen sulfate
HSO
3
4
-
hydrogen sulfide
HS
-
hydrogen sulfite
HSO
Anions:
3
-
-
acetate
C
H
O
hydroxide
OH
2
3
2
3-
-
arsenate
AsO
hypobromite
BrO
4
3-
-
arsenite
AsO
hypochlorite
ClO
3
-
-
bicarbonate
HCO
hypoiodite
IO
3
-
3-
binoxalate
HC
O
hypophosphite
PO
2
4
2
2-
-
biphosphite
HPO
iodate
IO
3
3
-
-
bisulfate
HSO
iodite
IO
4
2
-
2-
bisulfite
HSO
molybdate
MoO
3
4
3−
-
borate
BO
nitrate
NO
3
3
-
-
bromate
BrO
nitrite
NO
3
2
-
2-
bromite
BrO
oxalate
C
O
2
2
4
2-
-
carbide
C
perbromate
BrO
2
4
2-
-
carbonate
CO
perchlorate
ClO
3
4
-
-
chlorate
ClO
periodate
IO
3
4
-
-
chlorite
ClO
permanganate
MnO
2
4
2-
2-
chromate
CrO
peroxide
O
4
2
-
3-
chromite
CrO
phosphate
PO
2
4
-
3-
cyanate
OCN
phosphite
PO
3
-
4-
cyanide
CN
pyrophosphate
P
O
2
7
2-
2-
dichromate
Cr
O
selenate
SeO
2
7
4
-
4-
dihydrogen phosphate H
PO
silicate
SiO
2
4
4
-
2-
dihydrogen phosphite
H
PO
sulfate
SO
2
3
4
-1
2-
fluorate
FO
sulfite
SO
3
3
3-
2-
gallate
GaO
tartrate
C
H
O
3
4
4
6
2-
2-
hexafluorosilicate
SiF
tetraborate
B
O
6
4
7
-
-
hydrogen carbonate
HCO
thiocyanate
SCN
3
-
2-
hydrogen oxalate
HC
O
thiosulfate
S
O
2
4
2
3
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