Negative beta radiation
Nucleus emits negative beta particle
(electron)
Number of protons in nucleus increases
by 1
Nuclear mass is unchanged
·Transmutation
Positive beta radiation
Nucleus emits positive beta particle
(antielectron)
Number of protons in nucleus decreases
by 1
Nuclear 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