One Detector Built to Observe Solar Neutrinos Utilized a Huge $\left(\mathrm{CCl}_{2}\right)$

Multiple Choice

One detector built to observe solar neutrinos utilized a huge vat of perchloroethylene $\left(\mathrm{CCl}_{2}\right)$ to absorb neutrinos. If a ${ }_{17}^{37} \mathrm{Cl}$ nucleus absorbs a neutrino, what will it become? (Is the product chemically different from chlorine?)

A) ${ }_{17}^{38} \mathrm{Cl}$
B) ${ }_{16}^{37} \mathrm{~S}$
C) ${ }_{18}^{37} \mathrm{Ar}$
D) ${ }_{18}^{38} \mathrm{Ar}$
E) Other (specify)