Actinium series

The Actinium series is a group of radioactive elements that decay through a sequence of transformations, eventually turning into stable isotopes. It begins with actinium-227, which emits radiation and decays into lighter elements, passing through specific intermediates like thorium and radium isotopes. This decay chain continues until a stable lead isotope forms. These series are important in understanding radioactive behaviors, dating materials, and their applications in medicine and industry. The Actinium series is one of several natural decay chains, each named after its starting point, helping scientists trace radioactive processes in the environment.