• Bohrium (107Bh) is an artificial element. Like all artificial elements, it has no stable isotopes, and a standard atomic weight cannot be given. The first...
    35 KB (3,589 words) - 07:15, 3 November 2024
  • 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 (6,709 words) - 10:26, 8 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...
    71 KB (304 words) - 16:29, 21 November 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) - 16:07, 31 October 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) - 16:08, 31 October 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
  • occurring isotopes. Several radioactive isotopes have been synthesized in the laboratory, either by fusing two atoms or by observing the decay of heavier...
    32 KB (6,933 words) - 17:00, 18 November 2024
  • Earth and they are synthetic. Of the elements with atomic numbers 1 to 92, most can be found in nature, having stable isotopes (such as oxygen) or very long-lived...
    17 KB (2,031 words) - 23:06, 9 October 2024
  • Thumbnail for Chemical symbol
    a list can instead be found in Template:Navbox element isotopes. The symbols for isotopes of hydrogen, deuterium (D) and tritium (T), are still in use...
    64 KB (2,126 words) - 12:28, 14 October 2024
  • element. Some isotopes with many more neutrons, such as some located around 313Og, could also provide longer-lived nuclei. The isotopes from 291Og to...
    64 KB (10,477 words) - 07:31, 3 November 2024
  • half-life of about 5.1 minutes. The isotopes 280Rg and 281Rg have also been reported to have half-lives over a second. The remaining isotopes have half-lives...
    29 KB (6,584 words) - 06:31, 20 November 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 (12,380 words) - 11:06, 17 October 2024
  • Astatine (redirect from History of astatine)
    all its isotopes have half-lives of 8.1 hours or less, decaying into other astatine isotopes, bismuth, polonium, or radon. Most of its isotopes are very...
    82 KB (9,310 words) - 13:45, 11 November 2024
  • Thumbnail for Promethium
    decays to both, the lighter isotopes generally to neodymium via positron decay and electron capture, and the heavier isotopes to samarium via beta decay)...
    41 KB (4,883 words) - 00:06, 31 October 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 (3,883 words) - 08:27, 6 November 2024
  • Thumbnail for Island of stability
    island of stability is a predicted set of isotopes of superheavy elements that may have considerably longer half-lives than known isotopes of these elements...
    92 KB (8,948 words) - 03:29, 11 November 2024
  • Nihonium (redirect from History of nihonium)
    of 282113 were detected. The aim of this experiment had been to synthesise the isotopes 281113 and 282113 that would fill in the gap between isotopes...
    93 KB (13,733 words) - 15:25, 6 November 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 (14,981 words) - 08:15, 9 November 2024
  • known isotopes are extremely radioactive, and have only been created in a laboratory. The most stable known isotope, copernicium-285, has a half-life of approximately...
    53 KB (8,615 words) - 17:29, 18 November 2024
  • synthesis or through radioactive decay of even heavier elements, and all known isotopes are short-lived. Six isotopes of flerovium are known, ranging in mass...
    74 KB (12,063 words) - 21:57, 5 November 2024
  • Thumbnail for Yttrium
    Yttrium (redirect from History of yttrium)
    to form zirconium (Z = 40) isotopes. Isotopes with mass numbers at or above 97 are also known to have minor decay paths of β− delayed neutron emission...
    58 KB (6,683 words) - 04:43, 10 November 2024
  • because there are many reasonably long-lived isotopes of curium that can be used to make a target. The light isotopes can be made by fusing curium-243 with calcium-48...
    55 KB (9,415 words) - 07:58, 3 November 2024
  • Thumbnail for Radium
    Radium (redirect from Properties of radium)
    surface layer of radium nitride (Ra3N2). All isotopes of radium are radioactive, the most stable isotope being radium-226 with a half-life of 1,600 years...
    78 KB (8,373 words) - 07:31, 11 November 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 (9,002 words) - 03:36, 25 October 2024
  • Fermium (redirect from Compounds of fermium)
    synthesized by neutron-capture. Because of this impediment in forming heavier isotopes, these short-lived isotopes 258–260Fm constitute the "fermium gap...
    32 KB (4,044 words) - 07:04, 17 November 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...
    69 KB (11,034 words) - 23:12, 7 November 2024
  • Thumbnail for Synthetic element
    Synthetic element (category Lists of chemical elements)
    weighted average abundance of natural isotopes in Earth's crust and atmosphere. For synthetic elements, there is no "natural isotope abundance". Therefore...
    14 KB (1,298 words) - 01:00, 11 September 2024
  • Nobelium (redirect from History of nobelium)
    nobelium isotopes mostly continue to have longer half-lives as their mass numbers increase, with a dip in the trend at 257No. The isotopes of nobelium...
    39 KB (8,175 words) - 12:36, 24 October 2024
  • Dubnium (redirect from History of dubnium)
    fact that the most stable isotopes are the hardest to synthesize. Elements with a lower atomic number have stable isotopes with a lower neutron–proton...
    49 KB (9,125 words) - 00:04, 7 November 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 (7,874 words) - 17:24, 12 October 2024