Ta

Tantalum-166

Protons (Z)

73

Neutrons (N)

93

Mass number

166

Half-Life

34.4 s

Abundance

---

Mass

165.951 u

Mass Excess

-46,098.0 keV

Spin

(2+)

Discovered

1977

Binding energy per nucleon

8,005 keV

Neutron separation energy

8,321 keV

Proton separation energy

1,751 keV

Decay Mode

β⁺Hafnium-166100%

Decay chain

Tantalum-166Z 73 · N 9334.4 s
β⁺100%
β⁺100%
β⁺100%
EC100%
β⁺100%