Sn

Tin-131m

Protons (Z)

50

Neutrons (N)

81

Mass number

131

Half-Life

58.4 s

Abundance

---

Mass

130.917 u

Mass Excess

-77,200.0 keV

Spin

11/2-

Discovered

1977

Binding energy per nucleon

8,362 keV

Neutron separation energy

5,139 keV

Proton separation energy

14,582 keV

Decay Mode

Decay chain

Tin-131Z 50 · N 8158.4 s
β⁻100%
β⁻100%
β⁻100%
β⁻100%