An unstable atomic nucleus with protons and neutrons. ,
An atomic nucleus that emits an alpha particle (two protons and two neutrons). ,
Un núcleo atómico que emite una partícula beta (electrón o positrón). ,
An atomic nucleus that captures an electron from the innermost orbital. ,
An atomic nucleus that emits a gamma particle after an electron in the innermost orbital becomes a gamma particle. ,
An atomic nucleus that emits a gamma particle. ,
