5876549
| Pregunta | Respuesta |
| lithium (Li) | +1 |
| Sodium (Na) | +1 |
| Potassium (K) | +1 |
| Copper (Cuprous) | +1 |
| Silver (Ag) | +1 |
| Hydrogen (H) | +1 |
| Ammonium (NH4) | +1 |
| Magnesium (Mg) | +2 |
| Calcium (Ca) | +2 |
| Barium (Ba) | +2 |
| Iron (ferrous) | +2 |
| nickel (Ni) | +2 |
| copper (cupric) | +2 |
| Zinc (Zn) | +2 |
| Aluminium (Al) | +3 |
| iron (ferric) | +3 |
| Fluoride (F) | -1 |
| Chloride (Cl) | -1 |
| Bromide (Br) | -1 |
| Iodine(I) | -1 |
| Nitrate (NO3) | -1 |
| Hydroxide (OH) | -1 |
| Oxide | -2 |
| Sulphide | -2 |
| Sulphate | -2 |
| Carbonate | -2 |
| Nitride | -3 |
| Phosphate | -3 |
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