1. It is made of molecules consisting of oxygen and heavy hydrogen . 2. Heavy hydrogen gas would form near one electrode, and form into diatomic molecules, right?3. On this sample, the Balmer lines for heavy hydrogen were seven times as intense. 4. But as the temperature goes up, more heavy hydrogen evaporates, eventually precipitating out over Greenland. 5. Fusion experiments also rely on heavy hydrogen , which fuses more easily, and gas densities can be moderate. 6. Urey was awarded the Nobel Prize in Chemistry in 1934 " for his discovery of heavy hydrogen ". 7. Princeton's contribution grew from Spitzer's suggestion that the fusion of heavy hydrogen atoms might be harnessed for peaceful uses. 8. Urey therefore decided to delay publishing their results until he had more conclusive evidence that it was heavy hydrogen . 9. Day by day they wait for a neutrino speeding through the earth to collide with a heavy hydrogen nucleus. 10. Even though the neutron was not realized until 1932, Urey began searching for " heavy hydrogen " in 1931.
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