Os

Osmium-187

Protons (Z)

76

Neutrons (N)

111

Mass number

187

Half-Life

Stable

Abundance

1.96%

Mass

186.956 u

Mass Excess

-41,219.0 keV

Spin

1/2-

Discovered

1931

Binding energy per nucleon

7,974 keV

Neutron separation energy

6,290 keV

Proton separation energy

6,581 keV

Decay Mode

αTungsten-183