Definition: The term "isochimenal" refers to a chemical compound that has the same number of protons and electrons in its nucleus as another chemical compound. Isochimals are often used in chemistry to describe compounds that have the same number of protons but different numbers of neutrons or electrons. For example, if two isochimeals are found in a certain chemical reaction, it means that they react with each other in such a way that one produces four protons and the other produces