Dy
Dysprosium-156
Protons (Z)
66
Neutrons (N)
90
Mass number
156
Half-Life
Observationally stable (>1.0 Ey)
Abundance
0.056%
Mass
155.924 u
Mass Excess
-70,529.4 keV
Spin
0+
Discovered
1948
Binding energy per nucleon
8,192 keV
Neutron separation energy
9,445 keV
Proton separation energy
6,568 keV
Decay Mode
- α→Gadolinium-152
- β⁺