Bi

Bismuth-217

Protons (Z)

83

Neutrons (N)

134

Mass number

217

Half-Life

1.64 m

Abundance

---

Mass

217.009 u

Mass Excess

8,730.0 keV

Spin

(9/2-)

Discovered

1998

Binding energy per nucleon

7,732 keV

Neutron separation energy

5,215 keV

Proton separation energy

6,069 keV

Decay Mode

β⁻Polonium-217100%

Decay chain

Bismuth-217Z 83 · N 1341.64 m
β⁻100%
α97.5%
β⁻100%
β⁻97.91%
α100%
β⁻100%
α100%