Tc

Technetium-104m

Protons (Z)

43

Neutrons (N)

61

Mass number

104

Half-Life

3.5 µs

Abundance

---

Mass

103.912 u

Mass Excess

-82,429.0 keV

Spin

(5-)

Discovered

1981

Binding energy per nucleon

8,540 keV

Neutron separation energy

5,896 keV

Proton separation energy

8,764 keV

Decay Mode

γTechnetium-104100%

Decay chain

Technetium-104Z 43 · N 613.5 µs
γ100%
β⁻100%