uranium-235
English
A model of an atom of uranium-235
Etymology
From uranium + 235 (“the atomic mass of the isotope”).
Noun
uranium-235 (uncountable)
- (physics) A fissile isotope of uranium, used for energy generation and in atomic weapons, containing one hundred and forty-three neutrons. It has a half-life of 7·038×108 years; it decays into thorium-231 and ultimately lead.
- 2022 November 21, Lorenzo Tondo, Peter Beaumont, “Ukraine to start evacuations in Kherson and Mykolaiv regions as winter sets in”, in The Guardian:
- The Zaporizhzhia plant provided about a fifth of Ukraine’s electricity before Russia’s invasion, and has been forced to operate on backup generators a number of times. It has six Soviet-designed water-cooled and water-moderated reactors containing uranium-235.
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Usage notes
- In scientific literature, the more technically correct abbreviation 23592U is used, rather than U-235.
See also
- uranium-232
- uranium-233
- uranium-234
- uranium-238
- uranium-239
- uranium-240