Physics

Problem

28. A negative beta particle and a gamma ray are emitted during the radioactive decay of a nucleus of

{ }_{82}^{214} \mathrm{~Pb}

. Which of the following is the resulting nucleus? A)

{ }_{80}^{210} \mathrm{Hg}

{ }_{81}^{214} \mathrm{Tl}

{ }_{83}^{213} \mathrm{Bi}

{ }_{83}^{214} \mathrm{Bi}