Question

What are stable and radioactive isotopes? Give examples.

Answer 1

Radioactive isotopes are type of isotope by nature which are very unstable and contain high level of nuclear energy and these isotopes radiate this energy in the form of nuclear radiation whereas stable isotopes are non- radioactive form of atoms. They do not emit radiation.

Examples for radioisotopes- carbon 14, cadmium 209, cobalt 60

Examples for stable isotopes - carbon 13, carbon 12, carbon 18..

Hope that helps..☺