Ge

Germanium-77m

Protons (Z)

32

Neutrons (N)

45

Mass number

77

Half-Life

53.7 s

Abundance

---

Mass

76.924 u

Mass Excess

-71,053.16 keV

Spin

1/2-

Discovered

1947

Binding energy per nucleon

8,669 keV

Neutron separation energy

5,912 keV

Proton separation energy

12,046 keV

Decay Mode

Decay chain

Germanium-77Z 32 · N 4553.7 s
β⁻81%
β⁻100%