Can somebody please help with these

Fusion

Fission

Explanation:

The first problem describes a nuclear fusion process. In this process;

small atomic nuclei combines to form a larger one. it is accompanied by a large release of energythis energy provides the needed temperature to set up another light nuclei to fuse.

The second problem describes nuclear fission,

a heavy nuclide is bombarded with a neutron. the product formed becomes unstable and subsequently breaks down. This leads to a series of chain reactions until stability is attained.

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