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  • 24-03-2016
  • Social Studies
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A nuclear chain reaction occurs when excess _____ collide with other nuclei. Select one:
a. neutrons
b. gamma rays
c. nuclei

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Аноним Аноним
  • 27-03-2016
The correct answer is letter a. neutrons. A nuclear chain reaction occurs when excess neutrons collide with other nuclei. Neutrons are subatomic particle. It has no net electric charge and a mass slightly larger than of a proton. It consists the nucleus of an atom.
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