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Cation and Anion from elements, use Periodic Table and valence electrons to determine charge
Polyatomic ions to memorize
- nitrate, N1O31-
- sulfate, S1O42-
- carbonate, C1O32-
- hydroxide, O1H11-
- phosphate, P1O43-
- acetate, C2H3O21-
- ammonium, N1H41+(only positive charged polyatomic ion to memorize)
Cations with more than one charge to memorize
- Copper (I) ion, Cu1+
- Copper (II) ion, Cu2+
- Tin (II) ion, Sn2+
- Tin (IV) ion, Sn4+
- Iron (II) ion, Fe2+
- Iron (III) ion, Fe3+
Others (to memorize)
Silver ion, Ag1+
Zinc ion, Zn2+