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Heavy water is a _____________, which slows down fast moving neutrons to thermal velocitiesso that they can cause fission of uranium nuclei. |
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Answer» Answer: HEAVY water (D2O), ALSO called deuterium oxide Explanation: water COMPOSED of deuterium, the hydrogen isotope with a mass double that of ordinary hydrogen, and oxygen. (Ordinary water has a COMPOSITION represented by H2O.) |
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