Negative beta radiation
Nucleus emits negative beta particle
(electron)
Number of protons in nucleus increases
by 1Nuclear mass is unchanged
·Transmutation
Positive beta radiation
Nucleus emits positive beta particle
(antielectron)
Number of protons in nucleus decreases
by 1Nuclear mass is unchanged
·Transmutation
Radioactive decay with gamma
ray
Nucleus emits gamma ray (high-energy
photon)
·Becomes less excited
·No transmutation
·Nuclear mass is unchanged(^712) Copyright 2007 Kinetic Books Co. Chapter 38