U-238

Or U 238

Chemistry.

1. uranium 238.

Example Sentences

U-238, the most abundant naturally occurring isotope, constitutes about 99.27% of all natural uranium.

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Natural uranium is composed primarily of three isotopes: U-234, U-235 and U-238.

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Depleted uranium is mainly U-238, with small amounts of other isotopes, including U-235.

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The remainder, mostly U-238, is left as so-called waste.

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Solving this will require a breeder reactor: one that can extract the energy of the major component of uranium, its isotope U-238.

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