Question

difference between nuclear fission and nuclear fussion

Answer 1

in nuclear fission a single compound decomposes into 2 or more element and in nuclear fussion 2 or more elements add to form a single compound

Answer 2

In nuclear fission, an atom of a larger element splits into two smaller some with the release of a large amount of energy.
In nuclear fusion, two smaller atoms combine two form a large atom with the release of a tremendous amount of energy.