25 terms

Common Polyatomic Ions

Common polyatomic ions as specified in the list for BHSS Chemistry HONORS
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ammonium
NH4 +
acetate
C2H3O2 -, or CH3COO -
bromate
BrO3 -
chlorate
ClO3 -
chlorite
ClO2 -
cyanide
CN -
hydrogen carbonate (also called bicarbonate)
HCO3 -
hydroxide
OH -
hypochlorite
ClO -
iodate
IO3 -
nitrate
NO3 -
nitrite
NO2 -
permanganate
MnO4 -
perchlorate
ClO4 -
thiocyanate
SCN -
carbonate
CO3 -2
chromate
CrO4 -2
dichromate
Cr2O7 -2
oxalate
C2O4 -2
peroxide
O2 -2
sulfate
SO4 -2
sulfite
SO3 -2
phosphate
PO4 -3
phosphite
PO3 -3
arsenate
AsO4 -3