If a nucleus of $\begin{array} { c }
232\
90
\end{array}$ Th absorbs a neutron and the resulting nucleus undergoes two successive beta decays (emitting electrons),what nucleus results?
A)americium-232
B)plutonium-232
C)thorium-233
D)uranium-233

Question

If a nucleus of $\begin{array} { c } 
232\
90
\end{array}$ Th absorbs a neutron and the resulting nucleus undergoes two successive beta decays (emitting electrons),what nucleus results?
A)americium-232
B)plutonium-232
C)thorium-233
D)uranium-233

Quizplus · Accepted Answer

When thorium-232 absorbs a neutron, it becomes thorium-233. After two beta decays, where a neutron in the nucleus is converted into a proton and an electron is emitted each time, the atomic number increases by 2 (from 90 to 92), resulting in uranium-233.

If a Nucleus Of 23290\begin{array} { c } 232\\90\end{array}23290​ Th Absorbs a Neutron and the Resulting Nucleus Undergoes Two

If a Nucleus Of $\begin{array} { c } 232\\90\end{array}$ Th Absorbs a Neutron and the Resulting Nucleus Undergoes Two