click below
click below
Normal Size Small Size show me how
Polyatonic Ions
Common Polyatomic Ions to Memorize for CHMY 141
Question | Answer |
---|---|
CH3COO(-) or CH3CO2(-) | acetate |
NH4(+) | ammonium |
CO3(2-) | carbonate |
HCO3(-) | Hydrogen Carbonate or Bicarbonate |
CN(-) | cyanide |
HCOO(-) | formate |
H(+) | hydrogen ion |
H3O(+) | hydronium |
OH(-) | hydroxide |
NO3(-) | nitrate |
NO2(-) | nitrite |
ClO4(-) | perchlorate |
ClO3(-) | chlorate |
MnO4(-) | permanganate |
PO4(3-) | phosphate |
HPO4(2-) | hydrogen phosphate or biphosphate |
H2PO4(-) | dihydrogen phosphate or triphospate |
O2(2-) | peroxide |
SO4(2-) | sulfate |
HSO4(-) | hydrogen sulfate or bisulfate |
SO3(2-) | sulfite |
HSO3(-) | hydrogen sulfite or bisulfite |
naming convention with oxygen containing polyatomic ions | as # of oxygen decreases name change from "Per--ate" to "-ate" to "-ite" to -"hypo--ite" |
CrO4(2-) | Chromate |
Cr2O7(2-) | Dichromate |
OCl(-) | Hypochlorite |
C2O4(2-) | Oxalate |