Chemical physics refers to the study of the physical properties and behavior of chemical systems. It is a branch of science that combines the fields of chemistry and physics. Synonyms for chemical physics include physical chemistry, molecular physics, and quantum chemistry. Physical chemistry refers to the study of how matter behaves on a molecular and atomic level. Molecular physics focuses on the study of molecules and their interactions with each other and the environment. Quantum chemistry deals with the application of quantum mechanics to chemical systems. All of these fields are closely related and contribute to a better understanding of the physical world around us.