end up inside the plant | 0.30 |
maintain sustained nucl… | 0.30 |
undergo nuclear fission | 0.25 |
account for 99.3% | 0.25 |
half-life | 0.54 |
146 neutrons | 0.53 |
identical chemical prop… | 0.41 |
same number of protons | 0.34 |
produced | 0.34 |
used in nuclear weapons | 0.25 |
known with mass numbers | 0.25 |