S
Sulfur-31
Protons (Z)
16
Neutrons (N)
15
Mass number
31
Half-Life
2.55 s
Abundance
---
Mass
30.98 u
Mass Excess
-19,042.53 keV
Spin
1/2+
Discovered
1940
Binding energy per nucleon
8,282 keV
Neutron separation energy
13,055 keV
Proton separation energy
6,131 keV
Decay Mode
- β⁺→Phosphorus-31100%
Decay chain
- SSulfur-31Z 16 · N 152.55 s
- β⁺100%