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charges
| Question | Answer |
|---|---|
| group 1 | +1 |
| group 2 | +2 |
| group 17 | -1 |
| group 16 | -2 |
| group 15 | -3 |
| Al | +3 |
| Zn, Cd | +2 |
| Ag | +1 |
| Ti, V, Cr, Mn, Fe, Co | +2,+3 |
| Pd, Sn, Pb, Pt | +2,+4 |
| Hg | +2 |
| Cu, Au | +1,+3 |
| Ni | +2,+3,+4 |
| H | +1,-1 |