Chapter 2 Atoms, Molecules, and Ions - Study Questions - Page 95b: 38

a) $MnO_4^{-}$ b) $NO_2^{-}$ c) $H_2PO_4^{-}$ d) $NH_4^{+}$ e) $PO_4^{3-}$ f) $SO_3^{2-}$

From the resources provided: a) From Table 2-4: $MnO_4^{-}$ b) From Table 2-4: $NO_2^{-}$ c) From Table 2-4: $H_2PO_4^{-}$ d) From Table 2-4: $NH_4^{+}$ e) From Table 2-4: $PO_4^{3-}$ f) From Table 2-4: $SO_3^{2-}$