Welcome to Understanding Chemistry Wiki

Understanding Chemistry Wiki is a resource for undergraduate level chemistry classes. It is a reference, a forum, and a collaborative project built by and for students enrolled in chemistry courses around the world. The goal of Understanding Chemistry Wiki is to create and maintain an up to date, comprehensive database of basic and advanced chemistry knowledge, covering an all-inclusive range of chemistry-based subjects from general chemistry and organic chemistry to physical chemistry, quantum mechanics, and computational chemistry methodologies, all presented in a way that encourages discussion and interaction between students

The purpose of Understanding Chemistry Wiki is for students to help eachother. Students are encouraged to share tips and tricks, such as mnemonics or practice problems, and engage each other in discussion on topics they are covering in class.


Chemistry is the science of matter and the changes it undergoes. The study of chemistry focusses on the structure and properties of matter, as well as the changes it undergoes during chemical reactions. It is a physical science which studies various atoms, molecules, crystals, and other aggregates of matter, and relates the concepts of energy and entropy to chemical processes.

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