Radioactive isotope. Radioactive isotope, also called radioisotope, radionuclide, or radioactive nuclide, any of several species of the same chemical element with different masses whose nuclei are unstable and dissipate excess energy by spontaneously emitting radiation in the form of alpha, beta, and gamma rays. 1  A brief treatment of radioactive isotopes follows.
BLM sympathizer Markeith Loyd (Orlando cop killer) caught. Posted on 17 January 2017. BLM sympathizer Markeith Loyd (Orlando cop killer) has finally been caught. Living about five miles away from where he killed one cop and was indirectly responsible for a second copâs it took this long to find the gangbanger thug.
Breaking News. Orlando police investigating suspicious death Orlando police detectives are trying to figure out how a woman ended up dead in her vehicle. Gillande Jean, 35, was found Sunday in her 2002 green Toyota Forerunner that was parked in the 3300 block of West Colonial Drive, police say.