Eu

Europium-156

Protons (Z)

63

Neutrons (N)

93

Mass number

156

Half-Life

15.19 d

Abundance

---

Mass

155.925 u

Mass Excess

-70,083.0 keV

Spin

0+

Discovered

1947

Binding energy per nucleon

8,205 keV

Neutron separation energy

6,336 keV

Proton separation energy

7,181 keV

Decay Mode

β⁻Gadolinium-156100%

Decay chain

Europium-156Z 63 · N 9315.19 d
β⁻100%