spin238SPIN238 LOGIN ™ The Official Web Site of the Town of Tiverton: Halaman Official 2025. IDR 20,000.00. SPIN238 LOGIN kini menghadirkan tampilan baru melaluiProperties of the nuclide isotope Neptunium-238. Parent Nuclides. Direct parent isotope is: 242 Am. Nuclear Isomers. Nuclear isomers or excited states with the activation energy in keV related