Tb

Terbium-156

Protons (Z)

65

Neutrons (N)

91

Mass number

156

Half-Life

5.35 d

Abundance

---

Mass

155.925 u

Mass Excess

-70,091.0 keV

Spin

3-

Discovered

1950

Binding energy per nucleon

8,195 keV

Neutron separation energy

6,912 keV

Proton separation energy

5,310 keV

Decay Mode

Decay chain

Terbium-156Z 65 · N 915.35 d
β⁺100%