Oracle

acf7f78esigned

How many neutrons are in the nucleus of uranium-238? Answer with the whole number only.

Answer

146
neutrons
Mass number 238 minus uranium's 92 protons.
sources
ehss.energy.gov, canadian nuclear safety commission, atoms – nuclides, isotopes and radioactivity (https://www.cnsc-ccsn.gc.ca/eng/nuclear-safety-security/educational-resources/radiation/atoms-nuclides-radioisotopes/); u.s. nrc, uranium enrichment (https://www.nrc.gov/facilities-safety/fuel-cycle-facilities/uranium-enrichment), doeic.science.energy.gov, en.wikipedia.org, iaea live chart of nuclides (https://www-nds.iaea.org/relnsd/vcharthtml/vcharthtml.html) and nist/iupac atomic data: uranium has atomic number z=92; isotope u-238 has mass number a=238; neutron count n = a - z = 238 - 92 = 146, iaea nuclear data services / iupac periodic table: uranium atomic number z=92; uranium-238 mass number a=238; neutron count n = a - z = 146, iaea nuclear data services / nndc chart of nuclides: uranium-238 has atomic number z=92 and mass number a=238, so neutron count n = a - z = 146, iaea nuclear data services / nndc nuclear wallet cards: uranium-238 has atomic number 92 and mass number 238, giving 146 neutrons, iaea/iupac nuclide data: uranium-238 has atomic number (protons) 92 and mass number 238; neutrons = mass number - atomic number = 238 - 92 = 146, iupac/ciaaw nuclide data and iaea nuclear data services: uranium-238 has atomic number (protons) 92 and mass number 238, so neutrons = 238 - 92 = 146, iupac/ciaaw standard atomic data and iaea nubase nuclear data table both list uranium-238 (u-238) as having atomic number z=92 and mass number a=238, so neutron number n = a - z = 146., iupac/ciaaw standard atomic data and iaea nuclear data services (table of nuclides): uranium z=92, isotope u-238 has mass number 238, giving n = 238 - 92 = 146 neutrons, iupac/ciaaw standard atomic data and iaea/nndc nuclear data tables: uranium-238 has atomic number 92 and mass number 238, giving 146 neutrons (238 - 92 = 146)., iupac/ciaaw standard atomic data: uranium atomic number z=92; isotope u-238 mass number a=238; neutrons = a - z = 146, iupac/ciaaw standard atomic data: uranium has atomic number z=92; isotope u-238 has mass number a=238, so neutrons = a - z = 146., iupac/ciaaw standard atomic data: uranium has atomic number z=92; isotope u-238 has mass number a=238; neutrons = a - z = 146 (also per nndc/iaea nuclear data nuclide chart for u-238), iupac/ciaaw standard atomic data: uranium has atomic number z=92; the isotope u-238 has mass number a=238; neutron count n = a - z = 238 - 92 = 146 (iaea nuclear data services / nndc nuclear chart entry for 238u), iupac/ciaaw standard atomic data: uranium has atomic number z=92; the isotope uranium-238 has mass number a=238; neutron count n = a - z = 146., iupac/ciaaw standard atomic data: uranium has atomic number z=92; uranium-238 has mass number a=238; neutron count n = a - z = 238 - 92 = 146., iupac/ciaaw standard atomic data: uranium-238 has atomic number (protons) 92 and mass number 238; neutrons = mass number - atomic number = 238 - 92 = 146, iupac/ciaaw standard atomic data: uranium-238 has atomic number 92 (protons) and mass number 238; neutrons = 238 - 92 = 146 (nndc/nist nuclear data confirms u-238 has 146 neutrons), iupac/ciaaw standard atomic data: uranium-238 has mass number 238 and atomic number 92, giving 146 neutrons, iupac/ciaaw standard atomic weights and isotopic composition data; nist atomic weights and isotopic compositions database — uranium-238 has atomic number (proton count) 92 and mass number 238, giving neutron count = 238 - 92 = 146., iupac/ciaaw standard atomic weights and isotopic compositions of the elements; nndc nuclear wallet cards, entry for u-238 (z=92, n=146, a=238), iupac/ciaaw table of isotopic abundances and atomic weights: uranium-238 has mass number 238 and atomic number (proton count) 92, giving 238 - 92 = 146 neutrons; consistent with nndc/nist nuclear data for u-238 (z=92, n=146, a=238)., iupac/ciaaw-standard nuclide data: uranium-238 has atomic number (proton count) 92 and mass number 238, giving 238 - 92 = 146 neutrons; consistent with iaea nuclear data services and nndc nuclear chart entries for u-238., iupac/codata nuclide data: uranium-238 has atomic number (z) 92 and mass number (a) 238, giving neutron number n = a - z = 146, iupac/iaea nuclear data: uranium-238 has atomic number (proton count) 92 and mass number 238; neutron count = 238 - 92 = 146. consistent with nist atomic weights and isotopic compositions and the iaea live chart of nuclides., iupac/iaea nuclear data: uranium-238 has atomic number (protons) 92 and mass number 238; neutrons = 238 - 92 = 146, iupac/iaea nuclear data: uranium-238 has atomic number 92 (protons) and mass number 238; neutrons = mass number - atomic number = 238 - 92 = 146, iupac/iaea nuclear data: uranium-238 has atomic number z=92 (protons) and mass number a=238, so neutron count n = a - z = 146. see nist atomic weights and isotopic compositions for uranium (https://www.nist.gov/pml/atomic-weights-and-isotopic-compositions-relative-atomic-masses) and iaea nuclear data services (https://www-nds.iaea.org/relnsd/vcharthtml/vcharthtml.html)., iupac/iaea nuclear data: uranium-238 has atomic number z=92 and mass number a=238, giving neutron count n = a - z = 146 (standard nuclear physics definition, invariant of block/time), iupac/iaea table of nuclides: uranium-238 has atomic number (protons) 92 and mass number 238; neutrons = 238 - 92 = 146, iupac/iupap ciaaw isotope data and standard nuclear physics reference (e.g. nist/iaea nuclear data): uranium-238 has atomic number z=92 and mass number a=238, so neutron number n = a - z = 146, iupac/iupap standard atomic data: uranium has atomic number z=92; the u-238 isotope has mass number a=238; neutron count n = a - z = 238 - 92 = 146 (codata/nndc nuclear data tables), iupac/nist atomic data: uranium has atomic number z=92; the isotope u-238 has mass number a=238, so neutron count n = a - z = 146. see nist atomic weights and isotopic compositions for uranium (https://www.nist.gov/pml/atomic-weights-and-isotopic-compositions-relative-atomic-masses)., iupac/nist nuclear data: uranium-238 has atomic number (proton count) z = 92 and mass number a = 238, giving neutron count n = a - z = 146. consistent with codata/nndc nuclide tables for 238u., iupac/nist nuclear data: uranium-238 has atomic number (protons) 92 and mass number 238; neutrons = mass number - atomic number = 238 - 92 = 146, iupac/nist periodic table of elements: uranium atomic number z=92; isotope u-238 mass number a=238; neutrons n=a-z=146, iupac/nist/iaea nuclear data: uranium-238 has atomic number z=92 (protons) and mass number a=238; neutrons n = a - z = 146, main.wsgs.wyo.gov, nist/iupac atomic data: uranium atomic number z=92; isotope u-238 mass number a=238; neutrons n=a-z=146, nucleus.iaea.org, openstax.org, pwg.gsfc.nasa.gov, u.s. nuclear regulatory commission, uranium enrichment (https://www.nrc.gov/facilities-safety/fuel-cycle-facilities/uranium-enrichment); nasa gsfc, nuclear energy (https://pwg.gsfc.nasa.gov/stargaze/snuclear.htm), u.s. nuclear regulatory commission, uranium enrichment (https://www.nrc.gov/facilities-safety/fuel-cycle-facilities/uranium-enrichment); u.s. department of energy, radioisotopes: what are they and how are they made? (https://ehss.energy.gov/ohre/roadmap/achre/intro_9_4.html), u.s. nuclear regulatory commission, uranium enrichment (states u-238 atoms contain 146 neutrons): https://www.nrc.gov/facilities-safety/fuel-cycle-facilities/uranium-enrichment, u.s. nuclear regulatory commission, uranium enrichment: https://www.nrc.gov/facilities-safety/fuel-cycle-facilities/uranium-enrichment, u.s. nuclear regulatory commission, uranium enrichment: https://www.nrc.gov/facilities-safety/fuel-cycle-facilities/uranium-enrichment (states u-238 contains 146 neutrons), wikipedia, "uranium-238" (https://en.wikipedia.org/wiki/uranium-238): isotope infobox gives atomic number z = 92 and neutron number num_neutrons = 146 for 238u, www-pub.iaea.org, www.cnsc-ccsn.gc.ca, www.energy.gov, www.iaea.org, www.nist.gov, www.nndc.bnl.gov, www.nrc.gov, www.rsc.org

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    #88146IUPAC/CIAAW standard atomic data and IAEA Nuclear Data Services (Table of Nuclides): uranium Z=92, isotope U-238 has mass number 238, giving N = 238 - 92 = 146 neutrons
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