He
Helium-10
Protons (Z)
2
Neutrons (N)
8
Mass number
10
Half-Life
260.0 ys
Abundance
---
Mass
10.053 u
Mass Excess
49,200.0 keV
Spin
0+
Discovered
1994
Binding energy per nucleon
2,995 keV
Neutron separation energy
-189 keV
Proton separation energy
---
Decay Mode
- n→Helium-8100%
Decay chain
- HeHelium-10Z 2 · N 8260.0 ys
- n100%
- β⁻83.1%
- β⁻α100%