Here is your essay on Radioactive Pollution for school and college students ! Radioactive isotopes, or radionuclide’s, are forms of elements with unstable atomic nuclei; that is, they decompose with ionizing radiation in the form of alpha or beta particles, or gamma rays. Many radioisotopes, such as radium-226, uranium-235 or 238, thorium-232, potassium-40, or carbon-I4, […]