Sb

Antimony-128

Protons (Z)

51

Neutrons (N)

77

Mass number

128

Half-Life

9.05 h

Abundance

---

Mass

127.909 u

Mass Excess

-84,630.0 keV

Spin

8-

Discovered

1956

Binding energy per nucleon

8,421 keV

Neutron separation energy

6,003 keV

Proton separation energy

8,449 keV

Decay Mode

β⁻Tellurium-128100%

Decay chain

Antimony-128Z 51 · N 779.05 h
β⁻100%