• Question: who ever can explain this answer in the best psooible way gets my vote :) What is the definition for Radio active element

    Asked by david7 to Dave, Ben on 28 Jun 2013.
    • Photo: David Briggs

      David Briggs answered on 28 Jun 2013:

      A radioactive element is one that is unstable and becomes stable by kicking something out.

      The thing it kicks out is radiation, and depending on what isotope the element is, it could be alpha, beta, or gamma radiation.