In addition to the chemistry help provided on this website, if you want to get great chemistry help for developing a solid understanding of chemistry, and for achieving higher exam scores, I also strongly encourage you to use ChemTutor Excalibur (from Interactive Learning, Inc. ) for chemistry help. ChemTutor Excalibur is an awesome chemistry tutorial software package that makes chemistry easier and more fun to learn, and it provides excellent chemistry help. The tutorials in ChemTutor Excalibur teach chemistry using a unique approach that students appreciate and enjoy. The tutorials are concise and to-the-point, yet they contain everything that a chemistry student needs to know. Combined with the chemistry help provided on this website, ChemTutor Excalibur provides all the chemistry help any high school or college student needs to excel in chemistry.