Nb

Niobium-89m

Protons (Z)

41

Neutrons (N)

48

Mass number

89

Half-Life

1.1 h

Abundance

---

Mass

88.913 u

Mass Excess

-80,630.0 keV

Spin

(1/2-)

Discovered

1954

Binding energy per nucleon

8,617 keV

Neutron separation energy

12,531 keV

Proton separation energy

4,290 keV

Decay Mode

β⁺Zirconium-89100%

Decay chain

Niobium-89Z 41 · N 481.1 h
β⁺100%
β⁺100%