$\backslash$table$[[$some lonic compounds,$],[$cation$,$anlon,emplrical formula,name of compound$],[M{n}^{3+},S{O}_4^{2-},,],[C{o}^{2+},Br{O}_4^{-},,],[M{g}^{2+},N{O}_2^{-},,],[K^{+},Cl{O}_3^{-},,]]$