Question

For each of the following compounds, write the symbols of the ions in the compound, and the number of each ion in the molecule of that compound.

Cal2
Na2CO3
Ga(CIO3)3
CuF2
(NH4)3PO4
FeSO4
Mg(NO3)2
NH4NO2
KC2H3O2
Na2Cr2O7

Answer 1

Ca^2+ and I^-
Na+ and Co3^2-
Ga^3+ and ClO3
Cu^2+ and F-
NH4^- and PO4^3-
Fe2+ and (SO4)^2-
Mg2+ and NO3^-
NH4^+ and NO2^-
K^+ and (C2H3O2)^- {C2H3O2 is acetate}
Na^+ and Cr2O7^2-