Pa

Protactinium-223

Protons (Z)

91

Neutrons (N)

132

Mass number

223

Half-Life

5.3 ms

Abundance

---

Mass

223.024 u

Mass Excess

22,340.0 keV

Spin

9/2-

Discovered

1970

Binding energy per nucleon

7,652 keV

Neutron separation energy

7,791 keV

Proton separation energy

2,152 keV

Decay Mode

Decay chain

Protactinium-223Z 91 · N 1325.3 ms
α100%
α100%
α100%
EC58.2%
α100%