Sn

Tin-121

Protons (Z)

50

Neutrons (N)

71

Mass number

121

Half-Life

1.13 d

Abundance

---

Mass

120.904 u

Mass Excess

-89,196.6 keV

Spin

3/2+

Discovered

1948

Binding energy per nucleon

8,485 keV

Neutron separation energy

6,170 keV

Proton separation energy

10,756 keV

Decay Mode

β⁻Antimony-121100%

Decay chain

Tin-121Z 50 · N 711.13 d
β⁻100%