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Understanding nuclear fission and its process

Atomic structure • Nuclear fission and fusion

Key concepts

What you'll likely be quizzed about

  • Nuclear fission occurs when a heavy nucleus, such as uranium-235 or plutonium-239, absorbs a neutron and becomes unstable.
  • This instability causes the nucleus to split into two smaller nuclei, known as fission fragments, along with additional neutrons and a substantial quantity of energy.

Flashcards

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How does nuclear fission compare to nuclear fusion?

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Nuclear fission splits heavy nuclei, while nuclear fusion combines light nuclei, releasing different energy levels.

Key notes

Important points to keep in mind

Nuclear fission produces significant energy.

Control rods regulate the fission process.

Fission fragments are highly radioactive.

Safety measures are essential in reactors.

Nuclear fission contributes to both energy generation and weapons.

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