Tc

Technetium-89m

Protons (Z)

43

Neutrons (N)

46

Mass number

89

Half-Life

12.9 s

Abundance

---

Mass

88.928 u

Mass Excess

-67,332.0 keV

Spin

(1/2-)

Discovered

1991

Binding energy per nucleon

8,450 keV

Neutron separation energy

13,733 keV

Proton separation energy

1,934 keV

Decay Mode

Decay chain

Technetium-89Z 43 · N 4612.9 s
β⁺100%
β⁺100%
β⁺100%
β⁺100%