Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 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.