👉 Radiostrontium is a radioactive element that has been identified as having properties similar to those of strontium, but with an additional neutron. It is named after the Greek word "radio", which means sound or vibration, and "stronite", which comes from Latin meaning rock. Radiostrontium was first discovered in 1972 by the German physicist Dr. Fritz J. Kretschmer at the University of Berlin. The element has a half-life of about
