LiF - Li^+ (+1), F^- (-1)MgF2 - Mg^2+ (+2), F^- (-1)AlF3 - Al^3+ (+3), F^- (-1)K2O - K^+ (+1), O^2- (-2)MgO - Mg^2+ (+2), O^2- (-2)BaCl2 - Ba^2+ (+2), Cl^- (-1)K3N - K^+ (+1), N^3- (-3)Ca3N2 - Ca^2+ (+2), N^3- (-3)
LiF - Li^+ (+1), F^- (-1)
MgF2 - Mg^2+ (+2), F^- (-1)
AlF3 - Al^3+ (+3), F^- (-1)
K2O - K^+ (+1), O^2- (-2)
MgO - Mg^2+ (+2), O^2- (-2)
BaCl2 - Ba^2+ (+2), Cl^- (-1)
K3N - K^+ (+1), N^3- (-3)
Ca3N2 - Ca^2+ (+2), N^3- (-3)