Antimony-125 (Sb-125)

Identity

Protons

51

Neutrons

74

Mass number

125

Mass

124.9 ± 2.7 u

Mass excess

-88.255 MeV

Spin

7/2+*

Stability

Half-life: 2.76 years

Natural occurrence

Not found in nature

Decays to

• beta minus → Te-125

Produced by

• Sn-125