Nb

Niobium-87m

Protons (Z)

41

Neutrons (N)

46

Mass number

87

Half-Life

2.6 m

Abundance

---

Mass

86.921 u

Mass Excess

-73,870.0 keV

Spin

(9/2+)

Discovered

1972

Binding energy per nucleon

8,552 keV

Neutron separation energy

12,807 keV

Proton separation energy

3,190 keV

Decay Mode

β⁺Zirconium-87100%

Decay chain

Niobium-87Z 41 · N 462.6 m
β⁺100%
β⁺100%
β⁺100%