have you got any disadvantages of using Tc-99 in medical instances? it doesn't seem to have a negative impact on the patient due to the short half life and weak gamma rays, maybe something to do with its production from Mo-99? not sure.
righto fellas. syllabus 12.4 f) assess the accuracy of scientific information presented in mass media by comparison with similar information presented in scientific journals'.
the actual task requires me to find part of a scientific journal with reference to radioisotopes in medicine and/or...