General Chemistry w/Lab I
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Chem& 161
General Chemistry w/Lab I |
Common Ions and Their Charges — II
For the second Chemistry& 161 Exam you will be required to know the names and formulas for the following ions.
| Positive Ions | Negative Ions | ||
|---|---|---|---|
| +1 | -1 | ||
| Group IA Elements | Li+, Na+, K+ | Group VIIA Elements | F-, Cl-, Br-, I- |
| Ammonium | NH4+ | Hydride | H- |
| Hydrogen | H+ | Acetate | C2H3O2- or CH3COO- |
| Hydronium | H3O+ | Cyanide | CN- |
| Silver | Ag+ | Hydroxide | OH- |
| Copper (I) or Cuprous | Cu+ | Perchlorate | ClO4- |
| Mercury (I) or Mercurous | Hg2+2 | Chlorate | ClO3- |
| | | Chlorite | ClO2- |
| Hypochlorite | ClO- | ||
| Nitrate | NO3- | ||
| Nitrite | NO2- | ||
| Permanganate | MnO4- | ||
| Hydrogen carbonate or Bicarbonate | HCO3- | ||
| Hydrogen Sulfate or Bisulfate | HSO4- | ||
| Dihydrogen Phosphate | H2PO4- | ||
| +2 | -2 | ||
| Group IIA Elements | Mg+2, Ca+2, Sr+2, Ba+2 | Group VIA Elements | O-2, S-2 |
| Cadmium | Cd+2 | Peroxide | O2-2 |
| Zinc | Zn+2 | Carbonate | CO3-2 |
| Chromium (II) | Cr+2 | Sulfate | SO4-2 |
| Cobalt (II) | Co+2 | Sulfite | SO3-2 |
| Copper (II) or Cupric | Cu+2 | Chromate | CrO4-2 |
| Iron (II) or Ferrous | Fe+2 | Dichromate | Cr2O7-2 |
| Lead (II) | Pb+2 | Hydrogen phosphate | HPO4-2 |
| Mercury (II) or Mercuric | Hg+2 | | |
| Tin (II) or Stannous | Sn+2 | ||
| +3 | -3 | ||
| Aluminum | Al+3 | Phosphate | PO4-3 |
| Chromium (III) | Cr+3 | | |
| Cobalt (III) | Co+3 | ||
| Iron (III) or Ferric | Fe+3 | ||
| +4 | -4 | ||
| Lead (IV) | Pb+4 | | |
| Tin (IV) or Stannic | Sn+4 | ||