Nuclear fission - Wikipedia
Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei. The fission process often produces gamma photons, and releases a very large amount of …
Nuclear fission | Examples & Process | Britannica
Dec 4, 2025 · Nuclear fission, subdivision of a heavy atomic nucleus, such as that of uranium or plutonium, into two fragments of roughly equal mass. The process is accompanied by the …
DOE Explains...Nuclear Fission - Department of Energy
Nuclear fission is the process where the nucleus of an atom splits into two or more smaller nuclei and other particles. These particles can include neutrons, alpha particles (helium nuclei), beta …
Nuclear Fission Definition and Examples - Science Notes and ...
May 13, 2023 · Nuclear fission is a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into two or more smaller, lighter nuclei. This process often produces …
Fission - Understand Energy Learning Hub
Nuclear fission is the process of splitting a large atom into two smaller atoms and releasing a LOT of heat, making it an extremely energy dense resource. That heat is used to boil water, make …
The Fission Process – MIT Nuclear Reactor Laboratory
When a U-235 nucleus absorbs an extra neutron, it quickly breaks into two parts. This process is known as fission (see diagram below). Each time a U-235 nucleus splits, it releases two or …
What Is Nuclear Fission? The Physics Behind Atomic Power
May 25, 2025 · Nuclear fission is the process by which the nucleus of an atom splits into two or more smaller nuclei, accompanied by the release of a large amount of energy. This seemingly …