The Polyatomic Ions You Must Know
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2- |
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3- |
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C2H3O2- |
Acetate |
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CO32- |
Carbonate |
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PO43- |
Phosphate |
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HCO3- |
Bicarbonate ( Hydrogen carbonate) |
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CrO42- |
Chromate |
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PO33- |
Phosphite |
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ClO3- |
Chlorate |
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Cr2O72- |
Dichromate |
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ClO2- |
Chlorite |
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HPO42- |
Hydrogen phosphate |
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CN- |
Cyanide |
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C2O42- |
Oxalate |
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1+ |
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H2PO4- |
Dihydrogen phosphate |
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O22- |
Peroxide |
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NH4+ |
Ammonium |
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HSO4- |
Hydrogen sulfate |
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SiO32- |
Silicate |
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HSO3- |
Hydrogen sulfite |
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SO42- |
Sulfate |
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Hydroxide |
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SO32- |
Sulfite |
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ClO- |
Hypochlorite |
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C4H4O62- |
Tartrate |
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NO3- |
Nitrate |
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NO2- |
Nitrite |
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* Honors Only |
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ClO4- |
Perchlorate |
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MnO4- |
Permanganate |
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Metal Ions You Must Know
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1+ |
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2+ |
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3+ |
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4+ |
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Cu+ |
Copper (I) cuprous |
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Cd2+ |
Cadmium |
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Co3+ |
Cobalt (III) cobaltic |
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Pb4+ |
Lead (IV) plumbic |
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Ag+ |
Silver |
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Co2+ |
Cobalt (II) cobaltous |
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Cr3+ |
Chromium (III) chromic |
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Sn4+ |
Tin (IV) stannic |
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Cr2+ |
Chromium (II) chromous |
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Fe3+ |
Iron (III) ferric |
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Cu 2+ |
Copper (II) cupric |
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Mn3+ |
Manganese (III) manganic |
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Fe2+ |
Iron (II) ferrous |
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Pb2+ |
Lead (II) plumbous |
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Mn2+ |
Manganese (II) manganous |
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* Honors Only |
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Hg22+ |
Mercury(I) mercurous |
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Hg2+ |
Mercury (II) mercuric |
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Ni2+ |
Nickel |
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Sn2+ |
Tin (II) stannous |
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Zn2+ |
Zinc |
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