Nb

Niobium-90m

Protons (Z)

41

Neutrons (N)

49

Mass number

90

Half-Life

63.0 µs

Abundance

---

Mass

89.911 u

Mass Excess

-82,540.0 keV

Spin

6+

Discovered

1967

Binding energy per nucleon

8,632 keV

Neutron separation energy

9,985 keV

Proton separation energy

4,951 keV

Decay Mode

γNiobium-90100%

Decay chain

Niobium-90Z 41 · N 4963.0 µs
γ100%
β⁺100%