Radiochemistry is a sub-field of chemistry and the study of radioactive materials or their chemical or physical properties. It is mostly concerned with the study of the behavior, transformation, and properties of radioactive elements and their chemical compounds. The field usually involves the study of the properties of various radioactive particles that emit ionizing radiation such as alpha particles, beta particles, and gamma rays. Radiochemistry is important for the production, disposal, and safe handling of radioactive material and for the development of nuclear technology. It is also a major component of the study of nuclear medicine. The study of the behavior and transformation of nuclei when subjected to radioactive decay involves the use of radiochemical methods. Radiochemical techniques are used in the analysis of nuclear materials and the determination of their composition, radioactivity, and other properties. They are also used in the study of the metabolic pathways of nuclear materials in biological systems, in diagnosis and biomarkers, in radiochemistry-based manufacturing processes, and in the synthesis and analysis of radioactive pharmaceuticals. Radiochemical methods are invaluable tools for a variety of medical, geological, and industrial applications. Radiochemical techniques are also used to detect the presence of radioactive materials and to measure their concentration in the environment, as well as to determine the age of archaeological and geological samples. Radiochemistry is a powerful tool for understanding many different processes and has contributed significantly to our understanding of nuclear energy, materials, and radiation. It also has tremendous potential for the development of medical applications such as diagnostics and the use of radiation for therapeutic treatments.