Atomic processes refer to the various interactions and transformations that occur at the atomic level. These processes include phenomena such as nuclear fission, where an atomic nucleus splits into smaller parts, and nuclear fusion, where two nuclei combine to form a heavier nucleus. Both processes release significant amounts of energy and are fundamental to understanding atomic behavior. Additionally, atomic processes encompass radioactive decay, where unstable atomic nuclei lose energy by emitting radiation. This decay can lead to the transformation of one element into another over time. Understanding these processes is crucial in fields like nuclear physics, chemistry, and energy production.