U-238

American  

Or U 238

Chemistry.

1. uranium 238.

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Example Sentences

See Examples For:

U-238

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

From Salon ● Jun. 17, 2023

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

From Washington Post ● Oct. 29, 2021

Refining it to a purity of 3.67%, the level now allowed by the nuclear deal, means removing 114 unwanted atoms of U-238 for every atom of U-235.

From Seattle Times ● May 16, 2019

In the United States, uranium ores contain from 0.05–0.3% of the uranium oxide U3O8; the uranium in the ore is about 99.3% nonfissionable U-238 with only 0.7% fissionable U-235.

From Textbooks ● Feb. 14, 2019

If tritium was the sought-after product, for example, you used lithium-6; if it was plutonium, the raw material would be uranium—namely, that waste U-238.

From "Big Science" by Michael Hiltzik

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