Chapter 9 - Chemical Names and Formulas - 9.1 Naming Ions - 9.1 Lesson Check - Page 269: 6

$K^+$ , cation , Potassium ion $O^{2-}$ , anion , Oxide ion $Br^{-}$ , anion , Bromide ion $Sn^{4-}$ , anion , Tin ion $Be^{2+}$ , cation , Beryllium ion $Co^{2+}$ , cation , Cobalt ion

$K^+$ , cation , Potassium ion $O^{2-}$ , anion , Oxide ion $Br^{-}$ , anion , Bromide ion $Sn^{4-}$ , anion , Tin ion $Be^{2+}$ , cation , Beryllium ion $Co^{2+}$ , cation , Cobalt ion