Question

What elements are used in nuclear fission?

Answer 1

See below..

Explanation:

It is mainly an informative type question....
It is mainly `"_92^235U`.
Here I am supplying you the reactions..

`"_92^235U` + `"_0^1n` `->` `"_56^135Ba` + `"_36^92Kr` + `3"_0^1n` +energy