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Polyatomic Ions CDS Honors Chem

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Updated 2009-02-17 16:43

-1 charge

FormulaName
H2PO4dihydrogen phosphate
C2H3O2 (or CH3CO2 or CH3COO)Acetate
HSO3hydrogen sufite (bisulfite)
HSO4hydrogen sulfate (bisulfate)
HCO3hydrogen carbonate (bicarbonate)
NO2nitrite
NO3nitrate
CNcynide
OHhydroxide
MnO4permanganate
ClOhypochlorite
ClO2chlorite
ClO3chlorate
ClO4perchlorate
BrO3bromate
IO3iodate
memorize

-2 charge

FormulaName
HPO4hydrogen phosphate
C2O4oxalate
SO3sulfite
SiF6hexafluorosilicate
SO4sufate
CO3carbonate
O2peroxide
CrO4chromate
Cr2O7dichromate
SiO3silicate
SeO4selenate
S2O3thiosulfate
memorize

-3 charge

FormulaName
PO4phosphate
PO3phosphite
AsO4arsenate
BO3borate
memorize

+1 charge

FormulaName
NH4Ammonium
memorize

+2 charge

FormulaName
Hg2Mercury I
memorize

Charges

FormulaCharge
H2PO4-1
C2H3O2 (or CH3CO2 or CH3COO)-1
HSO3-1
HSO4 -1
HCO3-1
NO2-1
NO3 -1
CN -1
OH-1
MnO4-1
ClO-1
ClO2-1
ClO3-1
ClO4-1
BrO3-1
IO3 -1
HPO4-2
C2O4-2
SO3-2
SiF6-2
SO4-2
CO3-2
O2-2
CrO4-2
Cr2O7-2
SiO3-2
SeO4-2
S2O3-2
PO4-3
PO3-3
AsO4-3
BO3-3
NH4+1
Hg2+2
memorize

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