87-Fr-212

• Atomic Mass: 211.9961950 ± 0.0000277 amu
• Excess Mass: -3544.346 ± 25.771 keV
• Binding Energy: 1646600.035 ± 25.773 keV
• Beta Decay Energy: B- -3342.670 ± 29.038 keV

• Spin: 5+
• Half life: 20.0 M ( 3.0000 % )
• Mode of decay: Alpha to At-208
  • Branch ratio: 43.00
  • Decay energy: 6.529 MeV
• Mode of decay: Electron capture to Rn-212
  • Branch ratio: 57.00
  • Decay energy: 5.117 MeV

• Possible parent nuclides:

  Electron capture from Ra-212

  Alpha from Ac-216

Element Fr