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Nuclear fission process and neutron absorption

Atomic structure • Nuclear fission and fusion

Key concepts

What you'll likely be quizzed about

  • Nuclear fission occurs when a heavy atomic nucleus splits into two or more smaller nuclei, along with the release of energy and neutrons.
  • This process typically involves isotopes like Uranium-235 or Plutonium-239.
  • The fission reaction is initiated by the absorption of a neutron by the nucleus, making it unstable and leading to its division into smaller fragments.

Flashcards

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What is the result of a fission reaction?

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Fission results in the production of smaller nuclei, additional neutrons, and a significant release of energy.

Key notes

Important points to keep in mind

Fission requires a heavy nucleus like Uranium-235.

Neutron absorption is necessary to initiate fission.

Fission releases a considerable amount of energy.

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