EntityQ191632· pop 32· linked from 171 articlesdecay energySign in to saveEnergy change of a nucleus after radioactive decayConnectionsatomic nucleusEntitygamma rayEntitynuclideEntitynuclear isomerEntitystable isotopeEntityneutron numberEntityQ7186EntityenergyEntityQ7085EntityelectronEntityErnest RutherfordEntityEnrico FermiEntityInternational Standard Book NumberEntityprotonEntityneutronEntityatomic numberEntityPierre CurieEntityJ. Robert OppenheimerPersonisotopeEntityJ. J. ThomsonEntityCategoriesNuclear physics