โ™ป๏ธap environmental science review

Uranium-235

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

Uranium-235 is a radioactive isotope of uranium that can undergo nuclear fission, releasing a large amount of energy. It is used as fuel in nuclear reactors and as the primary material for making atomic bombs.