87-Fr-208

• Atomic Mass: 207.9971338 ± 0.0000840 amu
• Excess Mass: -2669.802 ± 78.212 keV
• Binding Energy: 1613440.200 ± 78.212 keV
• Beta Decay Energy: B- -4324.000 ± 160.000 keV

• Spin: 7+
• Half life: 59.1 S ( 0.5076 % )
• Mode of decay: Alpha to At-204
  • Branch ratio: 90.00
  • Decay energy: 6.770 MeV
• Mode of decay: Electron capture to Rn-208
  • Branch ratio: 10.00
  • Decay energy: 6.990 MeV

• Possible parent nuclides:

  Electron capture from Ra-208

  Alpha from Ac-212

Element Fr