Eu

Europium-151

Protons (Z)

63

Neutrons (N)

88

Mass number

151

Half-Life

4.6 Ey

Abundance

47.81%

Mass

150.92 u

Mass Excess

-74,653.1 keV

Spin

5/2+

Discovered

1933

Binding energy per nucleon

8,239 keV

Neutron separation energy

7,932 keV

Proton separation energy

4,891 keV

Decay Mode

αPromethium-147100%

Decay chain

Europium-151Z 63 · N 884.6 Ey
α100%
β⁻100%
α100%