An isotope of an element that is radioactive. Seelabelling.
Chemistry
An isotope of an element that is radioactive. Seelabelling.
Chemical Engineering
An isotope of an element that is radioactive. Every element has at least one isotope, although for many they can only be obtained by bombarding the elements with high-energy particles or in nuclear reactions.
Biology
An isotope of an element that is radioactive. Seelabelling.