Ac
Actinium-215
Protons (Z)
89
Neutrons (N)
126
Mass number
215
Half-Life
171.0 ms
Abundance
---
Mass
215.006 u
Mass Excess
6,031.0 keV
Spin
9/2-
Discovered
1968
Binding energy per nucleon
7,719 keV
Neutron separation energy
8,473 keV
Proton separation energy
1,351 keV
Decay Mode
Decay chain
- AcActinium-215Z 89 · N 126171.0 ms
- α~100%
- α87%
- β⁺90%
- β⁺~100%
- β⁺100%