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In a nuclear fission reaction, a freely moving neutron is introduced to a
nuclear fuel, such as uranium-235. What happens next?
O A. A neutron is absorbed by an atom's nucleus.
B. The neutron breaks apart.
O C. Heat is released by the neutron.
D. The nucleus becomes unstable.

Respuesta :

The nucleus becomes unstable when a freely moving neutron is introduced to a nuclear fuel.

What is Nuclear fission?

This is a reaction in which the nucleus of an atom splits into two or more smaller nuclei.

This reaction produces more neutrons and the nucleus becomes unstable when a freely moving neutron is introduced to a nuclear fuel to form fission fragments.

Read more about Nuclear fission here https://brainly.com/question/3992688

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