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- Isotopes_of_thorium abstract "Although thorium (Th), with atomic number 90, has 6 naturally occurring isotopes, none of these isotopes are stable; however, one isotope, 232Th, is relatively stable, with a half-life of 14.05 billion years, considerably longer than the age of the earth, and even slightly longer than the generally accepted age of the universe. This isotope makes up nearly all natural thorium. As such, thorium is considered to be mononuclidic. It has a characteristic terrestrial isotopic composition and thus an atomic mass can be given.Relative atomic mass: 232.03806(2).Thirty radioisotopes have been characterized, with the most stable (after 232Th) being 230Th with a half-life of 75,380 years, 229Th with a half-life of 7,340 years, and 228Th with a half-life of 1.92 years. All of the remaining radioactive isotopes have half-lives that are less than thirty days and the majority of these have half-lives that are less than ten minutes. One isotope, 229Th, has a nuclear isomer (or metastable state) with a remarkably low excitation energy, recently measured to be 7.6 ± 0.5 eV.The known isotopes of thorium range in mass number from 209 to 238.".
- Isotopes_of_thorium wikiPageExternalLink nudat2.
- Isotopes_of_thorium wikiPageExternalLink Nubase2003.pdf.
- Isotopes_of_thorium wikiPageExternalLink pdf.
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- Isotopes_of_thorium wikiPageExternalLink pdf.
- Isotopes_of_thorium wikiPageExternalLink Nubase2003.pdf.
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- Isotopes_of_thorium wikiPageRevisionID "698930797".
- Isotopes_of_thorium wikiPageWikiLink Age_of_the_Earth.
- Isotopes_of_thorium wikiPageWikiLink Age_of_the_universe.
- Isotopes_of_thorium wikiPageWikiLink Alpha_decay.
- Isotopes_of_thorium wikiPageWikiLink Alpha_particle.
- Isotopes_of_thorium wikiPageWikiLink Atomic_mass_unit.
- Isotopes_of_thorium wikiPageWikiLink Atomic_nucleus.
- Isotopes_of_thorium wikiPageWikiLink Beta_decay.
- Isotopes_of_thorium wikiPageWikiLink Beta_particle.
- Isotopes_of_thorium wikiPageWikiLink Brookhaven_National_Laboratory.
- Isotopes_of_thorium wikiPageWikiLink CRC_Handbook_of_Chemistry_and_Physics.
- Isotopes_of_thorium wikiPageWikiLink CRC_Press.
- Isotopes_of_thorium wikiPageWikiLink Carcinogen.
- Isotopes_of_thorium wikiPageWikiLink Category:Isotopes_of_thorium.
- Isotopes_of_thorium wikiPageWikiLink Category:Lists_of_isotopes_by_element.
- Isotopes_of_thorium wikiPageWikiLink Category:Thorium.
- Isotopes_of_thorium wikiPageWikiLink Cluster_decay.
- Isotopes_of_thorium wikiPageWikiLink Contrast_medium.
- Isotopes_of_thorium wikiPageWikiLink Coral.
- Isotopes_of_thorium wikiPageWikiLink Decay_chain.
- Isotopes_of_thorium wikiPageWikiLink Decay_product.
- Isotopes_of_thorium wikiPageWikiLink Earth.
- Isotopes_of_thorium wikiPageWikiLink Electron_capture.
- Isotopes_of_thorium wikiPageWikiLink Electronvolt.
- Isotopes_of_thorium wikiPageWikiLink Fertile_material.
- Isotopes_of_thorium wikiPageWikiLink Fissile_material.
- Isotopes_of_thorium wikiPageWikiLink Gamma_ray.
- Isotopes_of_thorium wikiPageWikiLink Gamma_spectroscopy.
- Isotopes_of_thorium wikiPageWikiLink Gas_lighting.
- Isotopes_of_thorium wikiPageWikiLink Gas_mantle.
- Isotopes_of_thorium wikiPageWikiLink Half-life.
- Isotopes_of_thorium wikiPageWikiLink Ionium-thorium_dating.
- Isotopes_of_thorium wikiPageWikiLink Isotope.
- Isotopes_of_thorium wikiPageWikiLink Isotopes_of_actinium.
- Isotopes_of_thorium wikiPageWikiLink Isotopes_of_bismuth.
- Isotopes_of_thorium wikiPageWikiLink Isotopes_of_lead.
- Isotopes_of_thorium wikiPageWikiLink Isotopes_of_oxygen.
- Isotopes_of_thorium wikiPageWikiLink Isotopes_of_protactinium.
- Isotopes_of_thorium wikiPageWikiLink Isotopes_of_radium.
- Isotopes_of_thorium wikiPageWikiLink Isotopes_of_thorium.
- Isotopes_of_thorium wikiPageWikiLink Isotopes_of_uranium.
- Isotopes_of_thorium wikiPageWikiLink Laser.
- Isotopes_of_thorium wikiPageWikiLink Mass_number.
- Isotopes_of_thorium wikiPageWikiLink Mononuclidic_element.
- Isotopes_of_thorium wikiPageWikiLink National_Nuclear_Data_Center.
- Isotopes_of_thorium wikiPageWikiLink Neutron.
- Isotopes_of_thorium wikiPageWikiLink Neutron_capture.
- Isotopes_of_thorium wikiPageWikiLink Nuclear_Physics_(journal).
- Isotopes_of_thorium wikiPageWikiLink Nuclear_isomer.
- Isotopes_of_thorium wikiPageWikiLink Nuclear_medicine.
- Isotopes_of_thorium wikiPageWikiLink Nuclear_transmutation.
- Isotopes_of_thorium wikiPageWikiLink Nuclide.
- Isotopes_of_thorium wikiPageWikiLink Ocean_current.
- Isotopes_of_thorium wikiPageWikiLink Primordial_nuclide.
- Isotopes_of_thorium wikiPageWikiLink Protactinium.
- Isotopes_of_thorium wikiPageWikiLink Proton.
- Isotopes_of_thorium wikiPageWikiLink Pure_and_Applied_Chemistry.
- Isotopes_of_thorium wikiPageWikiLink Quantum_computing.
- Isotopes_of_thorium wikiPageWikiLink Qubit.
- Isotopes_of_thorium wikiPageWikiLink Radioactive_decay.
- Isotopes_of_thorium wikiPageWikiLink Radionuclide.
- Isotopes_of_thorium wikiPageWikiLink Relative_atomic_mass.
- Isotopes_of_thorium wikiPageWikiLink Spontaneous_fission.
- Isotopes_of_thorium wikiPageWikiLink Suspension_(chemistry).
- Isotopes_of_thorium wikiPageWikiLink Thorium.
- Isotopes_of_thorium wikiPageWikiLink Thorium_dioxide.
- Isotopes_of_thorium wikiPageWikiLink Thorium_fuel_cycle.
- Isotopes_of_thorium wikiPageWikiLink Thorotrast.
- Isotopes_of_thorium wikiPageWikiLink Ultraviolet.
- Isotopes_of_thorium wikiPageWikiLink Uranium.
- Isotopes_of_thorium wikiPageWikiLink Uranium-232.
- Isotopes_of_thorium wikiPageWikiLink Uranium-233.
- Isotopes_of_thorium wikiPageWikiLink Uranium-235.
- Isotopes_of_thorium wikiPageWikiLink Uranium-238.
- Isotopes_of_thorium wikiPageWikiLink X-ray.
- Isotopes_of_thorium wikiPageWikiLink Talk:Isotopes_of_thorium.
- Isotopes_of_thorium wikiPageWikiLinkText "".
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- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium".
- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium#Thorium-209".
- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium#Thorium-210".
- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium#Thorium-211".
- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium#Thorium-212".
- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium#Thorium-213".
- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium#Thorium-214".
- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium#Thorium-215".
- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium#Thorium-216".
- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium#Thorium-217".
- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium#Thorium-218".
- Isotopes_of_thorium wikiPageWikiLinkText "Isotopes of thorium#Thorium-219".