Pa
Protactinium-215
Protons (Z)
91
Neutrons (N)
124
Mass number
215
Half-Life
14.0 ms
Abundance
---
Mass
215.019 u
Mass Excess
17,800.0 keV
Spin
9/2-
Discovered
1979
Binding energy per nucleon
7,657 keV
Neutron separation energy
9,731 keV
Proton separation energy
184 keV
Decay Mode
- α→Actinium-211100%
Decay chain
- PaProtactinium-215Z 91 · N 12414.0 ms
- α100%
- α100%
- α95%
- β⁺69%
- β⁺99.89%
- β⁺100%
- EC100%