describing the process of fission\ndescribe the steps that occur in the process of fission.

Brief Explanations:

Nuclear fission starts with a heavy - nucleus (e.g., uranium - 235) being struck by a neutron. This makes the nucleus unstable and it splits into two smaller nuclei, releasing more neutrons and a large amount of energy. The released neutrons can then cause further fissions in a chain - reaction.

Answer:

1. A neutron collides with a heavy nucleus (such as uranium - 235).
2. The heavy nucleus becomes unstable and splits into two smaller nuclei.
3. Additional neutrons are released during the split.
4. These released neutrons can go on to collide with other heavy nuclei, potentially starting a chain - reaction and releasing a large amount of energy.