P
Phosphorus-40
Protons (Z)
15
Neutrons (N)
25
Mass number
40
Half-Life
150.0 ms
Abundance
---
Mass
39.991 u
Mass Excess
-8,140.0 keV
Spin
(2-)
Discovered
1979
Binding energy per nucleon
7,981 keV
Neutron separation energy
3,441 keV
Proton separation energy
17,749 keV
Decay Mode
Decay chain
- PPhosphorus-40Z 15 · N 25150.0 ms
- β⁻84.2%
- β⁻100%
- β⁻100%