87-Fr-210

• Atomic Mass: 209.9963983 ± 0.0000233 amu
• Excess Mass: -3354.936 ± 21.660 keV
• Binding Energy: 1630267.980 ± 21.662 keV
• Beta Decay Energy: B- -3771.000 ± 96.000 keV

• Spin: 6+
• Half life: 3.18 M ( 1.8868 % )
• Mode of decay: Alpha to At-206
  • Branch ratio: 60.00
  • Decay energy: 6.700 MeV
• Mode of decay: Electron capture to Rn-210
  • Branch ratio: 40.00
  • Decay energy: 6.262 MeV

• Possible parent nuclides:

  Electron capture from Ra-210

  Alpha from Ac-214

Element Fr