The nucleus ${ }_{92} U^{234}$ splits exactly in half in a fission reaction in which two neutrons are released. The resultant nuclei are |
${ }_{46} P d^{116}$ ${ }_{45} R h^{117}$ ${ }_{45} R h^{116}$ ${ }_{46} P d^{117}$ |
${ }_{46} P d^{116}$ |
$ {}_{92}U^{234} ......> {}_{46}Pd^{116} + {}_{46}Pd^{116} + 2 {}_{0}n^1$ |