Dy
Dysprosium-158
Protons (Z)
66
Neutrons (N)
92
Mass number
158
Half-Life
Observationally stable
Abundance
0.095%
Mass
157.924 u
Mass Excess
-70,407.2 keV
Spin
0+
Discovered
1938
Binding energy per nucleon
8,190 keV
Neutron separation energy
9,054 keV
Proton separation energy
6,932 keV
Decay Mode
- α→Gadolinium-154
- β⁺