Complete the sentences
 

Electrolysis is the process of breaking down an ionic substance using (i). The broken down substance is called the (ii). Ionic substances contain negative and positive charged particles called (iii).

During electrolysis, the negative ions travel to the positive electrode and (iv) electrons. This process is called (v). The positive ions travel to the negative electrode and (vi) electrons. This process is called (vii). In addition, (viii) form at the negative electrode and (ix) form at the positive electrode.