Nb
Niobium-104m
Protons (Z)
41
Neutrons (N)
63
Mass number
104
Half-Life
4.9 s
Abundance
---
Mass
103.923 u
Mass Excess
-71,801.2 keV
Spin
(0-)
Discovered
1971
Binding energy per nucleon
8,453 keV
Neutron separation energy
4,844 keV
Proton separation energy
11,281 keV
Decay Mode
Decay chain
- NbNiobium-104Z 41 · N 634.9 s
- β⁻99.94%
- β⁻100%
- β⁻100%