| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the half life of plutonium 239 is 24300 years | 0.26 | 0.8 | 5988 | 1 |
| what is the half life of plutonium | 1.49 | 0.8 | 8419 | 68 |
| half life of plutonium 238 | 0.91 | 0.5 | 1608 | 98 |
| plutonium 235 half life | 0.87 | 0.6 | 6237 | 18 |
| half life of plutonium 240 | 1 | 0.9 | 7763 | 99 |
| half life of plutonium 244 | 1.87 | 0.1 | 1998 | 21 |
| plutonium 241 half life | 0.12 | 0.4 | 7899 | 42 |
| half life of plutonium isotopes | 1.49 | 0.7 | 7627 | 91 |
| plutonium atomic mass and half life | 0.16 | 0.1 | 4032 | 54 |
| how long does plutonium-239 last | 0.42 | 1 | 1195 | 47 |
| specific activity of plutonium 239 | 1.1 | 0.5 | 8254 | 51 |
| how radioactive is plutonium 239 | 0.28 | 0.3 | 8343 | 89 |
| what is plutonium 239 | 1.49 | 0.6 | 6589 | 96 |
| how long does plutonium last | 0.05 | 0.5 | 4245 | 57 |
