Which reaction takes place in a nuclear fission reactor?
Superscript 13 subscript 6 upper C plus superscript 1 subscript 1 upper H right arrow superscript 14 subscript 7 upper N.
Superscript 239 subscript 94 upper P u plus superscript 4 subscript 2 upper H e right arrow superscript 242 subscript 96 upper C m.
Superscript 59 subscript 27 upper C o plus superscript 4 subscript 2 upper H e right arrow superscript 60 subscript 27 upper C o plus superscript 1 subscript 0 n.
Superscript 235 subscript 90 upper U plus superscript 1 subscript 0 n right arrow superscript 94 subscript 36 upper K r plus superscript 139 subscript 56 upper B a plus 3 superscript 1 subscript 0 n.