What is nuclear fission?

A heavy nucleus splits into lighter nuclei, releasing energy.

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  1. An electron orbits a new nucleus
  2. A heavy nucleus splits into lighter nuclei, releasing energy ✔
  3. Two light nuclei join into a heavier one

Why: Fission splits a heavy nucleus into lighter ones, releasing energy. Fusion is the reverse process.

Huh, didn't know that: Fission splits a heavy nucleus into lighter ones, releasing energy. Fusion is the reverse process.

The dad joke
Fission is a split decision with big energy.
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References

Answer: A heavy nucleus splits into lighter nuclei, releasing energy. Fission splits a heavy nucleus into lighter ones, releasing energy. Fusion is the reverse process.

  1. Nuclear physics en.wikipedia.org/wiki/Nuclear_physics
    Nuclear fission is the reverse process to fusion.
    Checked 2026-11-07.

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