Problem

If an atom of

{}_{92}^{235}\text{U}

, after absorbing a slow neutron, undergoes fission to form an atom of

{}_{54}^{138}\text{Xe}

and an atom of

{}_{38}^{94}\text{Sr}

, the other particles produced are a. one proton and two neutrons b. three neutrons c. two neutrons d. one proton and one neutron