35+ How To Calculate Electron Trending. For this reason, it is very important to know the number of. {eq}1c=6.24 \cdot 10^{18} e {/eq} How to Find the Number of Protons, Neutrons, and Electrons from www.wikihow.com Read the question carefully and determine what is being asked. From aufbau priniciple the next 4 electrons will be filled …