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| 1. |
Valiencies in 10 points for all elements |
| Answer» SILVER Ag+ Copper(I) CU+ Copper(II) Cu²⁺ ZINC Zn²⁺ Iron(II) Fe²⁺ Iron(III) Fe³⁺ Ammonium NH₄⁺ HYDROXIDE OH⁻ Nitrate NO₃⁻ Hydrogencarbonate HCO₃⁻ Explanation: | |