Lecture General Chemistry I - Module 7: Oxidation-reduction reactions and transformation of chemical energy. After you have studied this module 7, you should be able to: Assign oxidation numbers to elements when they are free, in compounds, or in ions; recognize oxidation–reduction reactions and identify which species are oxidized, reduced, oxidizing agents, and reducing agent; use the terminology of electrochemistry (terms such as “cell,” “electrode,” “cathode,” “anode”); . |