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Polyatomic Ions
formulas and names of the polyA Ions to memorize
Symbol(sub) +/- charge | Polyatomic name |
---|---|
NH(4), +1 | Ammonium (only positive) |
C(2)H(3)O(2),-1 = CH(3)COO-1 | Acetate |
CO(3),-2 | Carbonate |
HCO(3),-1 | Hydrogen Carbonate = Bicarbonate |
CrO(4),-2 | Chromate |
Cr(2)O(7),-2 | Dichromate |
NO(3),-1 | Nitrate |
NO(2),-1 | Nitrite |
SO(4),-2 | Sulfate |
SO(3),-2 | Sulfite |
HSO(4),-1 | Hydrogen Sulfate = Bisulfate |
CLO(4),-1 BRO(4),-1 | |
NH(4)+1 | Ammonium (only positive) |
C(2)H(3)O(2)-1 = CH(3)COO-1 | Acetate |
CO(3)-2 | Carbonate |
HCO(3)-1 | Hydrogen Carbonate = Bicarbonate |
CrO(4)-2 | Chromate |
Cr(2)O(7)-2 | Dichromate |
NO(3)-1 | Nitrate |
NO(2)-1 | Nitrite |
SO(4)-2 | Sulfate |
SO(3)-2 | Sulfite |
HSO(4)-1 | Hydrogen Sulfate = Bisulfite |
CLO(4)-1; BrO(4)-1; IO(4)-1 | Perchlorate; Perbromate; Periodate |
ClO(3)-1; BrO(3)-1; IO(3)-1 | Chlorate; Bromate; Iodate |
ClO(2)-1; BrO(2)-1; IO(2)-1 | Chlorite; Bromite; Iodite |
ClO-1; BrO-1; IO-1 | Hypochlorite; Hypobromite; Hypoiodite |
CN-1 | Cyanide ( -ide but poly not bi) |
OH-1 | Hydroxide ( -ide but poly not bi) |
MnO(4)-1 | Permanganate |
PO(4)-3 | Phosphate |
SCN-1 | Thiocynate |
C(2)O(4)-2 | Oxalate |