Subject: Chemistry
Book: General Chemistry
Fission splits a heavy nucleus (e.g., uranium-235) into smaller nuclei, releasing energy and neutrons. It is used in nuclear power plants and weapons. Fusion combines light nuclei (e.g., hydrogen isotopes) to form heavier nuclei (helium), releasing even greater energy. Fusion powers stars, but controlled fusion on Earth remains a challenge. Both processes have potential for large-scale energy but carry distinct technological and safety considerations.
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