• Naturally occurring manganese (25Mn) is composed of one stable isotope, 55Mn. Twenty-seven radioisotopes have been characterized, with the most stable...
    12 KB (615 words) - 11:52, 10 October 2024
  • Thumbnail for Manganese
    primary mode in heavier isotopes is beta decay. Manganese also has three meta states. Manganese is part of the iron group of elements, which are thought...
    86 KB (9,716 words) - 09:46, 6 October 2024
  • Mn (disambiguation) Isotopes of manganese All pages with titles beginning with Manganese All pages with titles containing Manganese This disambiguation...
    434 bytes (95 words) - 22:27, 29 May 2020
  • aluminum (13Al) has 23 known isotopes from 21Al to 43Al and 4 known isomers. Only 27Al (stable isotope) and 26Al (radioactive isotope, t1/2 = 7.2×105 y) occur...
    13 KB (663 words) - 11:57, 10 October 2024
  • stable isotope or isomer. 53Cr is the radiogenic decay product of 53Mn. Chromium isotopic contents are typically combined with manganese isotopic contents...
    13 KB (976 words) - 11:48, 10 October 2024
  • Thumbnail for Group 7 element
    group of elements in the periodic table. It contains manganese (Mn), technetium (Tc), rhenium (Re) and bohrium (Bh). This group lies in the d-block of the...
    83 KB (8,982 words) - 17:57, 11 September 2024
  • Thumbnail for Local Bubble
    from deep sea sediments, Antarctic snow, and lunar soil. Other isotopes are Manganese-53 and Plutonium-244 from deep sea materials. Supernova-originated...
    20 KB (2,149 words) - 11:40, 26 July 2024
  • Thumbnail for Stable nuclide
    usually called that element's stable isotopes. The 80 elements with one or more stable isotopes comprise a total of 251 nuclides that have not been shown...
    28 KB (3,291 words) - 19:33, 29 September 2024
  • Thumbnail for List of elements by stability of isotopes
    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
  • Thumbnail for Technetium
    element whose isotopes are all radioactive. Technetium and promethium are the only radioactive elements whose neighbours in the sense of atomic number...
    68 KB (7,666 words) - 16:29, 5 October 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) - 23:49, 19 September 2024
  • half-lives exceeding the age of the universe for the heaviest isotopes like 335Ts when beta decay is not considered. Lighter isotopes of tennessine may be produced...
    67 KB (10,853 words) - 07:21, 14 October 2024
  • Thumbnail for Chromium
    Chromium isotopes are typically collocated (and compounded) with manganese isotopes. This circumstance is useful in isotope geology. Manganese-chromium...
    109 KB (11,824 words) - 01:53, 10 September 2024
  • 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 (6,929 words) - 23:20, 21 August 2024
  • more specific atoms with their isotopes. The reactant is then allowed to undergo the reaction. The position of the isotopes in the products is measured to...
    42 KB (5,520 words) - 17:36, 14 August 2024
  • 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 (7,381 words) - 09:31, 10 July 2024
  • synthetic elements, it has no stable isotopes. The first isotope to be synthesized was 265Hs in 1984. There are 13 known isotopes from 263Hs to 277Hs and up to...
    57 KB (5,282 words) - 11:42, 10 October 2024
  • Thumbnail for Rubidium
    natural rubidium comprises two isotopes: 72% is a stable isotope 85Rb, and 28% is slightly radioactive 87Rb, with a half-life of 48.8 billion years – more...
    40 KB (4,473 words) - 06:10, 14 October 2024
  • Thumbnail for Silicon
    mass numbers lower than the three stable isotopes is inverse beta decay, primarily forming aluminium isotopes (13 protons) as decay products. The most...
    86 KB (10,696 words) - 03:20, 29 September 2024
  • Thumbnail for Plutonium
    to power some spacecraft. Plutonium isotopes are expensive and inconvenient to separate, so particular isotopes are usually manufactured in specialized...
    139 KB (14,950 words) - 03:21, 5 October 2024
  • Thumbnail for Mendeleev's predicted elements
    for eka-manganese in 1871, and the most stable isotope of technetium is 98Tc. Germanium was isolated in 1886 and provided the best confirmation of the theory...
    15 KB (1,620 words) - 10:06, 13 August 2024
  • Bohrium (redirect from History of bohrium)
    found in nature. All known isotopes of bohrium are highly radioactive; the most stable known isotope is 270Bh with a half-life of approximately 2.4 minutes...
    28 KB (6,708 words) - 10:26, 8 October 2024
  • Thumbnail for Tin
    Tin (redirect from Compounds of tin)
    have to go through isotopic separation to remove the isotopes with odd mass number. Combined, these three isotopes make up about 17% of natural tin but represent...
    81 KB (8,949 words) - 23:18, 10 October 2024
  • Polonium is a very rare element in nature because of the short half-lives of all its isotopes. Nine isotopes, from 210 to 218 inclusive, occur in traces as...
    77 KB (8,356 words) - 19:29, 1 October 2024
  • Thumbnail for Caesium
    Caesium (redirect from Compounds of caesium)
    directly. The isotopes with mass numbers of 129, 131, 132 and 136, have half-lives between a day and two weeks, while most of the other isotopes have half-lives...
    93 KB (10,019 words) - 18:02, 23 September 2024
  • 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 (7,066 words) - 03:46, 20 August 2024
  • Thumbnail for Neon
    Neon (redirect from History of neon)
    on Isotopes Periodic Table—Neon at the U.S. Geological Survey, by Eric Caldwell, posted January 2004, retrieved 10 February 2011 "Neon: Isotopes". Softciências...
    32 KB (3,820 words) - 07:33, 4 October 2024
  • Thumbnail for Uranium
    Uranium (redirect from History of uranium)
    trace isotopes 237U and 239U exclusively undergo beta decay, with respective half-lives of 6.752 days and 23.45 minutes. In total, 28 isotopes of uranium...
    110 KB (12,358 words) - 06:51, 17 September 2024
  • 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 (9,731 words) - 02:41, 13 September 2024
  • Thumbnail for Iridium
    synthetic isotopes in their ground states. The least stable isomer is 190m3Ir with a half-life of only 2 μs. The isotope 191Ir was the first one of any element...
    82 KB (7,852 words) - 17:24, 12 October 2024