Ta

Tantalum-180m

Protons (Z)

73

Neutrons (N)

107

Mass number

180

Half-Life

Stable

Abundance

0.01201%

Mass

179.948 u

Mass Excess

-48,858.3 keV

Spin

9-

Discovered

1940

Binding energy per nucleon

8,025 keV

Neutron separation energy

6,572 keV

Proton separation energy

5,684 keV

Decay Mode

β⁻Tungsten-180