Re

Rhenium-187

Protons (Z)

75

Neutrons (N)

112

Mass number

187

Half-Life

41.6 Gy

Abundance

62.6%

Mass

186.956 u

Mass Excess

-41,216.5 keV

Spin

5/2+

Discovered

1931

Binding energy per nucleon

7,978 keV

Neutron separation energy

7,361 keV

Proton separation energy

5,997 keV

Decay Mode

β⁻Osmium-187100%

Decay chain

Rhenium-187Z 75 · N 11241.6 Gy
β⁻100%