Dy

Dysprosium-158

Protons (Z)

66

Neutrons (N)

92

Mass number

158

Half-Life

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

αGadolinium-154
β⁺