Multiple choice

The process in which unstable nuclides lose energy in form of ionizing particles is known as

  1. nuclear transmutation

  2. radioactive decay

  3. nuclear chain reaction

  4. nuclear fusion
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C Correct answer
Explanation

A nuclear chain reaction occurs when one nuclear reaction causes an average of one or more nuclear reactions, thus leading to a self-propagating number of these reactions. The specific nuclear reaction may be the fission of heavy isotopes (e.g. 235U) or the fusion of light isotopes (e.g. 2H and 3H.)

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