Antimony-123 (Sb-123)

Identity

Protons

51

Neutrons

72

Mass number

123

Mass

122.9 ± 1.5 u

Mass excess

-89.223 MeV

Spin

7/2+*

Stability

stable

Natural occurrence

42.79 % of antimony

Produced by

• Sn-123
• Te-123