Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Isotopes_of_beryllium> ?p ?o }
- Isotopes_of_beryllium abstract "Beryllium (Be) has 12 known isotopes, but only one of these isotopes (9Be) is stable and a primordial nuclide. As such, beryllium is considered a monoisotopic element. It is also a mononuclidic element, because its other isotopes have such short half-lives that none are primordial and their abundance is very low. Beryllium is unique as being the only monoisotopic element with both an even number of protons and an odd number of neutrons. There are 25 other monoisotopic elements but all have odd atomic numbers, and even numbers of neutrons.Of the 11 radioisotopes of beryllium, the most stable are 10Be with a half-life of 1.39 million years and 7Be with a half-life of 53.22 days. All other radioisotopes have half-lives under 13.85 seconds, most under 20 milliseconds. The least stable isotope is 6Be, with a half-life measured as 5.03 zeptoseconds.The natural light-element ratio of equal protons and neutron numbers is prevented in beryllium by the extreme instability of 8Be toward alpha decay, which is favored due to the extremely tight binding of 4He nuclei. The half-life for the decay of 8Be is only 6.7(17)×10−17 seconds. Beryllium is prevented from having a stable isotope with 4 protons and 6 neutrons by the very large mismatch in proton/neutron ratio for such a light element. Nevertheless, this isotope, 10Be, has a half-life of 1.39 million years, which indicates unusual stability for a light isotope with such a large neutron/proton imbalance. Still other possible beryllium isotopes have even more severe mismatches in neutron and proton number, and thus are even less stable.Most 9Be in the universe is thought to be formed by cosmic ray nucleosynthesis from cosmic ray spallation in the period between the Big Bang and the formation of the solar system. The isotopes 7Be, with a half-life of 53 days, and 10Be are both cosmogenic nuclides because they are made on a recent timescale in the solar system by spallation, like 14C. These two radioisotopes of beryllium in the atmosphere track the sun spot cycle and solar activity, since this affects the magnetic field that shields the Earth from cosmic rays. The rate at which the short-lived 7Be is transferred from the air to the ground is controlled in part by the weather. 7Be decay in the sun is one of the sources of solar neutrinos, and the first type ever detected using the Homestake experiment. Presence of 7Be in sediments is often used to establish that they are fresh, i.e. less than about 3–4 months in age, or about two half-lives of 7Be.".
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- Isotopes_of_beryllium wikiPageWikiLink Alpha_decay.
- Isotopes_of_beryllium wikiPageWikiLink Beryllium.
- Isotopes_of_beryllium wikiPageWikiLink Beryllium-10.
- Isotopes_of_beryllium wikiPageWikiLink Beta_decay.
- Isotopes_of_beryllium wikiPageWikiLink Big_Bang.
- Isotopes_of_beryllium wikiPageWikiLink CRC_Handbook_of_Chemistry_and_Physics.
- Isotopes_of_beryllium wikiPageWikiLink CRC_Press.
- Isotopes_of_beryllium wikiPageWikiLink Carbon-14.
- Isotopes_of_beryllium wikiPageWikiLink Category:Beryllium.
- Isotopes_of_beryllium wikiPageWikiLink Category:Isotopes_of_beryllium.
- Isotopes_of_beryllium wikiPageWikiLink Category:Lists_of_isotopes_by_element.
- Isotopes_of_beryllium wikiPageWikiLink Cosmic_ray_spallation.
- Isotopes_of_beryllium wikiPageWikiLink Cosmogenic_nuclide.
- Isotopes_of_beryllium wikiPageWikiLink Cosmogenic_nuclides.
- Isotopes_of_beryllium wikiPageWikiLink Electron_capture.
- Isotopes_of_beryllium wikiPageWikiLink Helium.
- Isotopes_of_beryllium wikiPageWikiLink Homestake_experiment.
- Isotopes_of_beryllium wikiPageWikiLink Isotope.
- Isotopes_of_beryllium wikiPageWikiLink Monoisotopic_element.
- Isotopes_of_beryllium wikiPageWikiLink Mononuclidic_element.
- Isotopes_of_beryllium wikiPageWikiLink National_Nuclear_Data_Center.
- Isotopes_of_beryllium wikiPageWikiLink Neutron.
- Isotopes_of_beryllium wikiPageWikiLink Neutron_emission.
- Isotopes_of_beryllium wikiPageWikiLink Neutron–proton_ratio.
- Isotopes_of_beryllium wikiPageWikiLink Nuclear_Physics_(journal).
- Isotopes_of_beryllium wikiPageWikiLink Nuclear_Physics_A.
- Isotopes_of_beryllium wikiPageWikiLink Nuclear_drip_line.
- Isotopes_of_beryllium wikiPageWikiLink Primordial_nuclide.
- Isotopes_of_beryllium wikiPageWikiLink Proton.
- Isotopes_of_beryllium wikiPageWikiLink neutron_ratio.
- Isotopes_of_beryllium wikiPageWikiLink Proton_emission.
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- Isotopes_of_beryllium wikiPageWikiLink Radioisotope.
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- Isotopes_of_beryllium wikiPageWikiLink Time_(Orders_of_magnitude).
- Isotopes_of_beryllium wikiPageWikiLink Zeptosecond.
- Isotopes_of_beryllium wikiPageWikiLink File:Be7fromcosmicrays.png.
- Isotopes_of_beryllium wikiPageWikiLink Talk:Isotopes_of_beryllium.
- Isotopes_of_beryllium wikiPageWikiLinkText "1".
- Isotopes_of_beryllium wikiPageWikiLinkText "Beryllium-7".
- Isotopes_of_beryllium wikiPageWikiLinkText "Isotopes of beryllium#Beryllium-11".
- Isotopes_of_beryllium wikiPageWikiLinkText "Isotopes of beryllium#Beryllium-12".
- Isotopes_of_beryllium wikiPageWikiLinkText "Isotopes of beryllium#Beryllium-13".
- Isotopes_of_beryllium wikiPageWikiLinkText "Isotopes of beryllium#Beryllium-14".
- Isotopes_of_beryllium wikiPageWikiLinkText "Isotopes of beryllium#Beryllium-15".
- Isotopes_of_beryllium wikiPageWikiLinkText "Isotopes of beryllium#Beryllium-16".
- Isotopes_of_beryllium wikiPageWikiLinkText "Isotopes of beryllium#Beryllium-5".
- Isotopes_of_beryllium wikiPageWikiLinkText "Isotopes of beryllium#Beryllium-6".
- Isotopes_of_beryllium wikiPageWikiLinkText "Isotopes of beryllium#Beryllium-7".
- Isotopes_of_beryllium wikiPageWikiLinkText "Isotopes of beryllium#Beryllium-8".
- Isotopes_of_beryllium wikiPageWikiLinkText "Isotopes of beryllium#Beryllium-9".
- Isotopes_of_beryllium wikiPageWikiLinkText "beryllium isotope".
- Isotopes_of_beryllium wikiPageWikiLinkText "beryllium-8".
- Isotopes_of_beryllium wikiPageWikiLinkText "isotope".
- Isotopes_of_beryllium wikiPageWikiLinkText "isotopes of beryllium".
- Isotopes_of_beryllium wikiPageWikiLinkText "isotopes of".
- Isotopes_of_beryllium wikiPageWikiLinkText "other isotopes".
- Isotopes_of_beryllium element "beryllium".
- Isotopes_of_beryllium hasPhotoCollection Isotopes_of_beryllium.
- Isotopes_of_beryllium heavier "Isotopes of boron".
- Isotopes_of_beryllium lighter "Isotopes of lithium".
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- Isotopes_of_beryllium subject Category:Beryllium.
- Isotopes_of_beryllium subject Category:Isotopes_of_beryllium.
- Isotopes_of_beryllium subject Category:Lists_of_isotopes_by_element.
- Isotopes_of_beryllium type Article.
- Isotopes_of_beryllium type Article.
- Isotopes_of_beryllium type Element.
- Isotopes_of_beryllium type Isotope.
- Isotopes_of_beryllium type Concept.
- Isotopes_of_beryllium comment "Beryllium (Be) has 12 known isotopes, but only one of these isotopes (9Be) is stable and a primordial nuclide. As such, beryllium is considered a monoisotopic element. It is also a mononuclidic element, because its other isotopes have such short half-lives that none are primordial and their abundance is very low. Beryllium is unique as being the only monoisotopic element with both an even number of protons and an odd number of neutrons.".
- Isotopes_of_beryllium label "Isotopes of beryllium".
- Isotopes_of_beryllium sameAs نظائر_البيريليوم.
- Isotopes_of_beryllium sameAs Isòtops_del_beril·li.
- Isotopes_of_beryllium sameAs Берили_изотопĕсем.
- Isotopes_of_beryllium sameAs Ισότοπα_του_βηρυλλίου.
- Isotopes_of_beryllium sameAs ایزوتوپهای_بریلیم.
- Isotopes_of_beryllium sameAs Isotopes_du_béryllium.
- Isotopes_of_beryllium sameAs A_berillium_izotópjai.