H
Hydrogen-2
Protons (Z)
1
Neutrons (N)
1
Mass number
2
Half-Life
Stable
Abundance
0.0145%
Mass
2.014 u
Mass Excess
13,135.723 keV
Spin
1+
Discovered
1932
Binding energy per nucleon
1,112 keV
Neutron separation energy
2,225 keV
Proton separation energy
---
Decay Mode
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