87-Fr-211

• Atomic Mass: 210.9955293 ± 0.0000222 amu
• Excess Mass: -4164.400 ± 20.719 keV
• Binding Energy: 1639148.767 ± 20.721 keV
• Beta Decay Energy: B- -4997.152 ± 63.778 keV

• Spin: 9/2-
• Half life: 3.10 M ( 0.6452 % )
• Mode of decay: Electron capture to Rn-211
  • Branch ratio: < 20.00
  • Decay energy: 4.605 MeV
• Mode of decay: Alpha to At-207
  • Branch ratio: > 80.00
  • Decay energy: 6.660 MeV

• Possible parent nuclides:

  Electron capture from Ra-211

  Alpha from Ac-215

Element Fr