An electron loses potential energy when it Naim 11:56 AP Biology Chapter 9 An electron loses potential energy when it A. Shifts to a less electronegative atom B. Shifts to a more electronegative atom C. Increases its kinetic energy D. Increases its activity as an oxidizing agent E. Attaches itself to NAH+ Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+