Energy is released whenever a nucleus changes: However, it is more difficult to cause fission by striking smaller atoms with neutrons. Large atoms are also more difficult to join by pressing them together.
- Even little atoms must currently be accelerated to extremely high speeds for fusion.
- Fission literally translates to "a splitting or breaking up into bits." Atoms are split during nuclear fission to release heat energy.
- A large, somewhat unstable isotope (atoms with the same number of protons but differing numbers of neutrons) undergoes nuclear fission when it is struck by fast particles, often neutrons.
- The unstable isotope is struck by these accelerated neutrons, causing it to fission, or split into smaller particles.
- Nuclear reactions like fission and fusion both provide energy, but they have different uses.
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