Gadolinium-151 (Gd-151)

Identity

Protons

64

Neutrons

87

Mass number

151

Mass

150.9 ± 3.2 u

Mass excess

-74.189 MeV

Spin

7/2-*

Stability

Half-life: 124 days

Natural occurrence

Not found in nature

Decays to

• electron capture 100.0 % → Eu-151
• alpha 0.0000011 % → Sm-147