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Oscar Lanzi
Oscar Lanzi
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We may also seek odd neutron counts that fail to give stable nuclei, like 43 or 61 with protons. The first "unlucky" number with neutrons is only 19 (meaning there are stable nuclei with 1,3 5,5,...,17 neutrons but not 19). Trace amounts of sulfur-35 ($\ce{^_{16}^{35}S}$) do occur as a cosmogenic nuclide, generated by cosmic-ray spallation of argon.

We may also seek odd neutron counts that fail to give stable nuclei, like 43 or 61 with protons. The first "unlucky" number with neutrons is only 19 (meaning there are stable nuclei with 1,3 5,...,17 neutrons but not 19). Trace amounts of sulfur-35 ($\ce{^_{16}^{35}S}$) do occur as a cosmogenic nuclide, generated by cosmic-ray spallation of argon.

We may also seek odd neutron counts that fail to give stable nuclei, like 43 or 61 with protons. The first "unlucky" number with neutrons is only 19 (meaning there are stable nuclei with 1,3,5,...,17 neutrons but not 19). Trace amounts of sulfur-35 ($\ce{^_{16}^{35}S}$) do occur as a cosmogenic nuclide, generated by cosmic-ray spallation of argon.

Source Link
Oscar Lanzi
Oscar Lanzi
  • 60.1k
  • 4
  • 94
  • 180

We may also seek odd neutron counts that fail to give stable nuclei, like 43 or 61 with protons. The first "unlucky" number with neutrons is only 19 (meaning there are stable nuclei with 1,3 5,...,17 neutrons but not 19). Trace amounts of sulfur-35 ($\ce{^_{16}^{35}S}$) do occur as a cosmogenic nuclide, generated by cosmic-ray spallation of argon.