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...
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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...
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This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days...
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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 (7,381 words) - 16:07, 31 October 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 (7,066 words) - 16:08, 31 October 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...
32 KB (6,933 words) - 17:00, 18 November 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...
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Transuranium element (redirect from Super heavy isotope)
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...
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Chemical symbol (redirect from List of elements by 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...
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Roentgenium (redirect from History of roentgenium)
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...
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Oganesson (redirect from History of oganesson)
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
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
Promethium (redirect from History of 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)...
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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...
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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...
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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...
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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
Group 7 element (section Bohrium)
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
Plutonium (redirect from History of plutonium)
to power some spacecraft. Plutonium isotopes are expensive and inconvenient to separate, so particular isotopes are usually manufactured in specialized...
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Livermorium (redirect from History of livermorium)
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...
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Berkelium (redirect from History of berkelium)
this isotope. The second important berkelium isotope, berkelium-247, is an alpha-emitter, as are most actinide isotopes. All berkelium isotopes have a...
61 KB (7,479 words) - 06:07, 16 November 2024
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
Flerovium (redirect from History of flerovium)
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
Tennessine (redirect from History of tennessine)
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
Copernicium (redirect from History of copernicium)
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...
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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...
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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...
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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...
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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