being 236m Np (t1/2 22.5 hours). The isotopes of neptunium range from 219 Np to 244 Np , though the intermediate isotope 221 Np has not yet been observed... 24 KB (2,408 words) - 18:59, 26 April 2024 |
before 244Pu are isotopes of uranium and neptunium (not considering fission products), and the primary decay products after are isotopes of americium. mPu –... 26 KB (2,622 words) - 02:25, 21 April 2024 |
Actinide (category Pages that use a deprecated format of the chem tags) isotopes of plutonium, having mass numbers 228–247. The most stable isotope of plutonium is 244Pu with half-life of 8.13×107 years. Eighteen isotopes... 130 KB (11,594 words) - 05:53, 24 March 2024 |
observationally stable isotopes: 204Pb, 206Pb, 207Pb, 208Pb. Lead-204 is entirely a primordial nuclide and is not a radiogenic nuclide. The three isotopes lead-206... 30 KB (1,846 words) - 07:09, 26 April 2024 |
Decay chain (redirect from Neptunium Series) often after a series of decays, a stable isotope is reached: there are 251 stable isotopes in the universe. In stable isotopes, light elements typically... 43 KB (3,683 words) - 08:19, 18 March 2024 |
Other isotopes such as uranium-233 have been produced in breeder reactors. In addition to isotopes found in nature or nuclear reactors, many isotopes with... 34 KB (3,124 words) - 10:04, 18 April 2024 |
Actinium-225 (category Isotopes of actinium) an isotope of actinium. It undergoes alpha decay to francium-221 with a half-life of 10 days, and is an intermediate decay product in the neptunium series... 12 KB (1,240 words) - 19:50, 7 February 2023 |