Nb

Niobium-90n

Protons (Z)

41

Neutrons (N)

49

Mass number

90

Half-Life

18.81 s

Abundance

---

Mass

89.911 u

Mass Excess

-82,537.0 keV

Spin

4-

Discovered

1969

Binding energy per nucleon

8,632 keV

Neutron separation energy

9,982 keV

Proton separation energy

4,948 keV

Decay Mode

γNiobium-90100%

Decay chain

Niobium-90Z 41 · N 4918.81 s
γ100%
β⁺100%