What ions are present in molten PbBr2? Which ions are attracted to the positive electrode? What reaction is taking place at the positive electrode? Which ions are attracted to the negative electrode? What reaction is taking place at the negative electrode? What is formed at each electrode? What can be seen? + - Heat source Fill in why these words are relevant during the lesson Insoluble: Bauxite: Cryolite: Melting point: Carbon rods: Carbon dioxide: Replacing: 1. ………………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………………… 2. ………………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………………… 3. ………………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………………… What ions are present in aqueous NaCl? Which ions are attracted to the positive electrode? What reaction is taking place at the positive electrode? Which ions are attracted to the negative electrode? What reaction is taking place at the negative electrode? What is formed at each electrode? What can be seen? + -
