Chemistry Crash Course Today I would like to offer you chemistry crash course. Chemistry crash course means to learn about essential topics of chemistry. In this chemistry crash course,you will learn the following topics. ● Chemistry Crash Course-Lecture#01:Electron Configuration In this first lecture of chemistry crash course,I have shown you two methods to do electron configuration easily.Besides,you will get a special memorising tip.If you are a student of Chemistry,you should read and watch this lecture now. Electron Configuration