## Chemistry (12th Edition)

a) $1Ca^{2+}$ and $2 F^{-}$ b) $1Al^{3+}$ and $3 Br^{-}$ c) $2Li^{+}$ and $1 O^{2-}$ d) $2Al^{3+}$ and $3 S^{2-}$ e) $3K^{+}$ and $1 N^{3-}$
a) $1Ca^{2+}$ and $2 F^{-}$ b) $1Al^{3+}$ and $3 Br^{-}$ c) $2Li^{+}$ and $1 O^{2-}$ d) $2Al^{3+}$ and $3 S^{2-}$ e) $3K^{+}$ and $1 N^{3-}$