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Common Ions & Acids
The most common polyatomic ions and acids.
| Question | Answer |
|---|---|
| Ammonium | NH4(+) |
| Cuprous | Cu (+) |
| Hydrogen | H (+) |
| Lithium | Li (+) |
| Potassium | K (+) |
| Mercurous | Hg2 (+) "occur in groups of two so total charge of the entire molecule is (2+)" |
| Sodium | Na (+) |
| Barium | Ba (+2) |
| Beryllium | Be (+2) |
| Cadmimum | Cd (+2) |
| Calcium | Ca (+2) |
| Cobalt(II) | Co (+2) |
| Chromium(II) | Cr (2+) |
| Cupric | Cu (+2) |
| Ferrous | Fe (+2) |
| Plumbous | Pb (+2) |
| Magnesium | Mg (+2) |
| Manganese | Mn (+2) |
| Mercuric | Hg (+2) |
| Nickel(II) | Ni (+2) |
| Strontium | Sr (+2) |
| Stannous | Sn (+2) |
| Zinc | Zn (+2) |
| Aluminum | Al (+3) |
| Chromium(III) | Cr (+3) |
| Antimony(III) | Sb (+3) |
| Bismuth | Bi (+3) |
| Ferric | Fe (+3) |
| Arsenic | As (+3) |
| Plumbic | Pb (+4) |
| Stannic | Sn (+4) |
| Carbon | C (+4) |
| Silicon | Si (+4) |
| Antimony(V) | Sb (+5) |
| Arsenic(V) | As (+5) |
| Bismuth(V) | Bi (+5) |
| Acetate | C2H3O2 (-1) |
| Bromate | BrO3 (-1) |
| Bromide | Br (-1) |
| Chlorate | ClO3 (-1) |
| Chlorite | ClO2 (-1) |
| Chloride | Cl (-1) |
| Cyanide | CN (-1) |
| Fluride | F (-1) |
| Hydride | H (-1) |
| Hydrogen Carbonate or Bicarbonate | HCO3 (-1) |
| Hydrogen Sulfate or Bisulfate | HSO4 (-1) |
| Hydrogen Sulfite or Bisulfite | HSO3 (-1) |
| hydroxide | OH (-1) |
| Hypochlorite | ClO (-1) |
| Hydrogen Sulfide | HS (-1) |
| Iodate | IO3 (-1) |
| Iodide | I (-1) |
| Nitrate | NO3 (-1) |
| Nitrite | NO2 (-1) |
| Perchlorate | ClO4 (-1) |
| Permanganate | MnO4 (-1) |
| Thiocynate | SCN (-1) |
| Carbonate | C03 (-2) |
| Chromate | CrO4 (-2) |
| Cyanamide | CN2 (-2) |
| Dichromate | CR2O7 (-2) |
| Hydrogen Phosphate | HPO4 (-2) |
| Oxalate | C2O4 (-2) |
| Oxide | O (-2) |
| Peroxide | O2 (-2) |
| Stannate | SnO3 (-2) |
| Stannite | SnO2 (-2) |
| Sulfate | SO4 (-2) |
| Sulfite | SO3 (-2) |
| Sulfide | S (-2) |
| Tartrate | C4H4O6 (-2) |
| Borate | BO3 (-3) |
| Hexacyanoferrate(III)or Ferricyanide | FE(CN)6 (-3) |
| Phosphate | PO4 (-3) |
| Phosphite | PO3 (-3) |
| Phosphide | P (-3) |
| Nitride | N (-3) |
| Hexacyanoferrate(II) or Ferrocynide | Fe(CN)6 (-4) |
| Silicate | SiO3 (-2) |
| Acetic | HC2H3O2 |
| Carbonic | H2CO3 |
| Hydrochloric | HCL |
| Hydrobromic | HBr |
| Hydrofluric | HF |
| Nitric | HNO3 |
| Phosphoric | H3PO4 |
| Sulfuric | H2SO4 |
| Arsenate | AsO4 (-3) |
| Binoxalate | HC2O4 (-1) |
| Borite | BO2 (-3) |
| Bromite | BrO2 (-1) |
| Hexafluorosilicate | SiF6 (-2) |
| Iodite | IO2 (-1) |
| Monohydrogen Phosphate | HPO4 (-2) |
| Pyrophosphate | P2O7 (-4) |
| Selenate | SeO4 (-2) |