uranium-235
Word Rarity
Rare
Frequency: Zipf frequency 3.34 in modern English
9
Scrabble Score
7
Letters
4
Syllables
6
Unique Chars
Meaning
noun
A fissile isotope of uranium, used for energy generation and in atomic weapons, containing 143 neutrons. It has a half-life of 7.038×10⁸ years; it decays into thorium-231 and ultimately lead.
Uncountable
Example Sentences
- "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."