Antimony-121 (Sb-121)

Identity

Protons: 51
Neutrons: 70
Mass number: 121
Mass: 120.9 ± 2.7 u
Mass excess: -89.599 MeV
Spin: 5/2+*

Stability

stable

Natural occurrence

57.21 % of antimony

Produced by

All isotopes of antimony