Eu

Europium-152m

Protons (Z)

63

Neutrons (N)

89

Mass number

152

Half-Life

9.31 h

Abundance

---

Mass

151.922 u

Mass Excess

-72,842.9 keV

Spin

0-

Discovered

1958

Binding energy per nucleon

8,226 keV

Neutron separation energy

6,261 keV

Proton separation energy

5,555 keV

Decay Mode

Decay chain

Europium-152Z 63 · N 899.31 h
β⁻73%
α100%
α100%
α100%