Multiple choice

In a nuclear fission reaction,

  1. heavier nuclei combine to give a heavier nucleus and release of energy

  2. heavier nucleus breaks up into lighter nuclei and release of energy

  3. lighter nuclei combine to give heavier nucleus and release of energy

  4. lighter nucleus breaks up into even lighter nuclei and release of energy
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In a nuclear fission reaction, heavier nucleus breaks up into lighter nuclei and releases energy.

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