Ta

Tantalum-181

Protons (Z)

73

Neutrons (N)

108

Mass number

181

Half-Life

Stable

Abundance

99.98799%

Mass

180.948 u

Mass Excess

-48,439.1 keV

Spin

7/2+

Discovered

1932

Binding energy per nucleon

8,023 keV

Neutron separation energy

7,577 keV

Proton separation energy

5,949 keV

Decay Mode

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