Gadolinium-156 (Gd-156)

Identity

Protons

64

Neutrons

92

Mass number

156

Mass

155.9 ± 1.1 u

Mass excess

-72.535 MeV

Spin

0+

Stability

stable

Natural occurrence

20.47 % of gadolinium

Produced by

• Eu-156
• Tb-156