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Yr10/11valencies
valency of common elements and radicals
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| A | B |
|---|
| Carbonate | -2 |
| sulfate | -2 |
| nitrate | -1 |
| hydroxide | -1 |
| sulfide | -2 |
| silver | +1 |
| magnesium | +2 |
| phosphate | -3 |
| zinc | +2 |
| aluminium | +3 |
| bromide | -1 |
| chloride | -1 |
| calcium | +2 |
| barium | +2 |
| oxygen | -2 |
| nitride | -3 |
| hydrogen | +1 |
| fluoride | -1 |
| ammonium | +1 |
| potassium | +1 |
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