Sn

Tin-123

Protons (Z)

50

Neutrons (N)

73

Mass number

123

Half-Life

129.2 d

Abundance

---

Mass

122.906 u

Mass Excess

-87,814.7 keV

Spin

11/2-

Discovered

1948

Binding energy per nucleon

8,467 keV

Neutron separation energy

5,946 keV

Proton separation energy

11,534 keV

Decay Mode

β⁻Antimony-123100%

Decay chain

Tin-123Z 50 · N 73129.2 d
β⁻100%