Re

Rhenium-172

Protons (Z)

75

Neutrons (N)

97

Mass number

172

Half-Life

55.0 s

Abundance

---

Mass

171.955 u

Mass Excess

-41,570.0 keV

Spin

(2+)

Discovered

1977

Binding energy per nucleon

7,972 keV

Neutron separation energy

8,391 keV

Proton separation energy

1,773 keV

Decay Mode

β⁺Tungsten-172100%

Decay chain

Rhenium-172Z 75 · N 9755.0 s
β⁺100%
β⁺100%
β⁺100%
EC100%
β⁺100%