Gd

Gadolinium-155

Protons (Z)

64

Neutrons (N)

91

Mass number

155

Half-Life

Stable

Abundance

14.8%

Mass

154.923 u

Mass Excess

-72,070.3 keV

Spin

3/2-

Discovered

1933

Binding energy per nucleon

8,213 keV

Neutron separation energy

6,435 keV

Proton separation energy

7,621 keV

Decay Mode

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