Antimony-122 (Sb-122)

Identity

Protons

51

Neutrons

71

Mass number

122

Mass

121.9 ± 2.7 u

Mass excess

-88.334 MeV

Spin

2-*

Stability

Half-life: 2.72 days

Natural occurrence

Not found in nature

Decays to

• beta minus 97.6 % → Te-122
• positron emission 2.4 % → Sn-122