Radionuclide?: A radionucleotide is a nucleotide (i.e., one of the building blocks of nucleic acid) tagged with one radioactive atom. It's a common error for a radionuclide, an atom with an unstable nucleus. These are used in nuclear medicine.
Answered 5/26/2013
5.1k views
Radioactive: These are molecules and atoms that have unstable nuclei and so decay with the release of radioactive particles. Examples are tritium, radium and tecnetium.
Answered 5/7/2017
705 views
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