This zip file contains many different activities (68 pages of student handouts and 1 PowerPoint with a total of 55 slides) which can be used to compose a unit for chemistry students involving topics in Redox and Electrochemistry. Topics in this unit include determination of oxidation numbers, differences between oxidation and reduction, oxidizing and reducing agents, writing half reactions and net ionic equations, balancing redox reactions, using a replacement series to determine whether a rea