level: Fuel and critical mass
Questions and Answers List
level questions: Fuel and critical mass
| Question | Answer |
|---|---|
| Define critical mass | The minimum mass of fuel required to maintain a steady chain reaction |
| What is enriched uranium | Uranium with lots of U-235 |
| Why do we use enriched uranium | U-235 is more fissionable Results in a higher number of fissionable atoms in the same volume |
| What makes U-235 better | When a free neutron collides with it, the nucleus will capture the neutron and split extremely quickly |