Eu

Europium-142m

Protons (Z)

63

Neutrons (N)

79

Mass number

142

Half-Life

1.22 m

Abundance

---

Mass

141.924 u

Mass Excess

-70,856.0 keV

Spin

8-

Discovered

1966

Binding energy per nucleon

8,223 keV

Neutron separation energy

9,001 keV

Proton separation energy

2,211 keV

Decay Mode

β⁺Samarium-142100%

Decay chain

Europium-142Z 63 · N 791.22 m
β⁺100%
β⁺100%
β⁺100%