P
Phosphorus-28
Protons (Z)
15
Neutrons (N)
13
Mass number
28
Half-Life
270.3 ms
Abundance
---
Mass
27.992 u
Mass Excess
-7,147.9 keV
Spin
3+
Discovered
1953
Binding energy per nucleon
7,907 keV
Neutron separation energy
14,560 keV
Proton separation energy
2,052 keV
Decay Mode
Decay chain
- PPhosphorus-28Z 15 · N 13270.3 ms
- β⁺99.998%