Isotopes of Antimony

Notable Isotopes

121Sb [70 neutrons]

Abundance: 57.36%

Stable with 70 neutrons

123Sb [72 neutrons]

Abundance: 42.64%

Stable with 72 neutrons

125Sb [74 neutrons]

Abundance: synthetic

Half life: 2.7582 years [ beta- ]

Decay Energy: 0.767 MeV

Decays to 125Te.