👉 Radioisotope is a type of radioactive material that consists of a stable nucleus and an unstable daughter nucleus. Radioisotopes are used in various applications such as medical imaging, nuclear power plants, and environmental monitoring. In the context of radioisotopes, they can be classified based on their stability or decay rate. Stable isotopes have a slower decay rate compared to unstable isotopes, meaning that they do not release any radioactive particles when exposed to radiation. Examples of stable isotopes include iod