Naturally occurring neodymium (60Nd) is composed of 5 stable isotopes, 142Nd, 143Nd, 145Nd, 146Nd and 148Nd, with 142Nd being the most abundant (27.2%...
16 KB (1,029 words) - 01:16, 15 May 2024
Additionally, some observationally stable isotopes of samarium are predicted to decay to isotopes of neodymium. Neodymium isotopes are used in various scientific...
60 KB (6,863 words) - 15:12, 16 August 2024
heavier isotopes is beta decay. The primary decay products before 146Pm are isotopes of neodymium, and the primary products after are isotopes of samarium...
17 KB (844 words) - 10:50, 26 August 2024
The long lived isotopes, 146Sm, 147Sm, and 148Sm, primarily decay by alpha decay to isotopes of neodymium. Lighter unstable isotopes of samarium primarily...
23 KB (1,786 words) - 03:09, 21 August 2024
long-lived samarium isotope (147 Sm) to the stable radiogenic neodymium isotope (143 Nd). Neodymium isotope ratios together with samarium-neodymium ratios are...
14 KB (1,901 words) - 22:58, 7 July 2024
Promethium (redirect from History of promethium)
stabilities of neighbor element isotopes; it is also the least stable element of the first 84. The primary decay products are neodymium and samarium isotopes (promethium-146...
41 KB (4,834 words) - 16:03, 28 August 2024
Stable nuclide (redirect from Observationally stable isotope)
elements, they are usually termed stable isotopes. The 80 elements with one or more stable isotopes comprise a total of 251 nuclides that have not been known...
28 KB (3,270 words) - 05:37, 27 August 2024
Natural nuclear fission reactor (category Geography of Gabon)
40% below the normal value). Subsequent examination of isotopes of fission products such as neodymium and ruthenium also showed anomalies, as described...
21 KB (2,629 words) - 17:35, 18 August 2024
Praseodymium (redirect from History of praseodymium)
capture to isotopes of cerium, while that of heavier isotopes is beta decay to isotopes of neodymium. In 1751, the Swedish mineralogist Axel Fredrik Cronstedt...
37 KB (4,830 words) - 15:00, 19 August 2024
Samarium (redirect from History of samarium)
isotopes are predicted to decay to isotopes of neodymium. The long-lived isotopes 146Sm, 147Sm, and 148Sm undergo alpha decay to neodymium isotopes....
72 KB (8,229 words) - 17:45, 23 August 2024
The environmental isotopes are a subset of isotopes, both stable and radioactive, which are the object of isotope geochemistry. They are primarily used...
21 KB (2,979 words) - 00:40, 9 August 2024
Cerium (redirect from History of cerium)
of the heavier isotopes is beta decay to isotopes of praseodymium. Some isotopes of neodymium can alpha decay or are predicted to decay to isotopes of...
51 KB (6,040 words) - 17:48, 27 August 2024
11 have 5 stable isotopes, 9 have 4 stable isotopes, 5 have 3 stable isotopes, 16 have 2 stable isotopes, and 26 have 1 stable isotope. Additionally, about...
37 KB (2,204 words) - 17:11, 25 March 2024
This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days...
69 KB (284 words) - 17:38, 25 August 2024
Primordial nuclide (redirect from Primordial isotopes)
stable isotope and three additional primordial elements have only radioactive isotopes (bismuth, thorium, and uranium). Some unstable isotopes which occur...
24 KB (2,166 words) - 00:29, 16 August 2024
Isotope geochemistry is an aspect of geology based upon the study of natural variations in the relative abundances of isotopes of various elements. Variations...
21 KB (2,408 words) - 19:03, 1 April 2024
before 141Pr are element 58 (cerium) isotopes and the primary products after are element 60 (neodymium) isotopes. mPr – Excited nuclear isomer. ( ) –...
12 KB (474 words) - 13:45, 18 June 2024
Extinct isotopes of superheavy elements are isotopes of superheavy elements whose half-lives were too short to have lasted through the formation of the Solar...
6 KB (680 words) - 18:50, 9 April 2024
Radiometric dating (redirect from Isotope dating)
available from long-lived isotopes, short-lived isotopes that are no longer present in the rock can be used. At the beginning of the solar system, there...
45 KB (5,529 words) - 13:39, 28 June 2024
Chemical element (redirect from History of chemical elements)
isotope. Except for the isotopes of hydrogen (which differ greatly from each other in relative mass—enough to cause chemical effects), the isotopes of...
74 KB (9,741 words) - 02:14, 30 August 2024
Last Glacial Maximum (category CS1 maint: DOI inactive as of January 2024)
was reduced, as measured by the increased proportion of radiogenic isotopes in neodymium isotope ratios. There is controversy whether upwelling off the...
73 KB (8,118 words) - 00:39, 1 September 2024
Fission products (by element) (redirect from List of fission products)
Given the stability of its next lighter and heavier isotopes and the high cross section those isotopes exhibit for various neutron reactions, it is likely...
34 KB (4,505 words) - 23:54, 9 July 2024
Samarium-147 (category Isotopes of samarium)
normalize the radiogenic isotope in the isochron because it is a slightly radioactive and relatively abundant neodymium isotope. The Sm-Nd isochron is defined...
5 KB (457 words) - 10:41, 18 August 2023
Ununennium (redirect from Isotopes of Ununennium)
synthesis of ununennium, as isotopes with half-lives below one microsecond would decay before reaching the detector, and the heavier isotopes cannot be...
42 KB (8,082 words) - 12:38, 21 August 2024
Unbiunium (redirect from Isotopes of unbiunium)
Should the synthesis of unbiunium isotopes in such a reaction be successful, the resulting nuclei would decay through isotopes of ununennium that could...
36 KB (7,380 words) - 09:31, 10 July 2024
Unbihexium (redirect from Isotopes of unbihexium)
will alpha decay, possibly reaching flerovium and livermorium isotopes, and heavier isotopes will decay by spontaneous fission. This study and a quantum...
35 KB (7,024 words) - 02:04, 5 February 2024
Unbibium (redirect from Isotopes of unbibium)
expected to fall within the range of the island of stability, potentially conferring additional stability on some isotopes, especially 306Ubb which is expected...
37 KB (7,065 words) - 03:46, 20 August 2024
Dysprosium (redirect from Compounds of dysprosium)
stable is 138Dy, with a half-life of 200 ms. As a general rule, isotopes that are lighter than the stable isotopes tend to decay primarily by β+ decay...
37 KB (4,319 words) - 09:46, 13 August 2024
Oganesson (redirect from History of oganesson)
aimed at a mixed-isotope californium target containing 249Cf, 250Cf, and 251Cf, with the aim of producing the heavier oganesson isotopes 295Og and 296Og...
63 KB (10,409 words) - 21:29, 22 August 2024
Meitnerium (redirect from History of meitnerium)
occurring isotopes. Several radioactive isotopes have been synthesized in the laboratory, either by fusing two atoms or by observing the decay of heavier...
31 KB (6,928 words) - 23:20, 21 August 2024