Ho
Holmium-149m
Protons (Z)
67
Neutrons (N)
82
Mass number
149
Half-Life
56.0 s
Abundance
---
Mass
148.934 u
Mass Excess
-61,597.0 keV
Spin
(1/2+)
Discovered
1988
Binding energy per nucleon
8,133 keV
Neutron separation energy
11,678 keV
Proton separation energy
1,027 keV
Decay Mode
- β⁺→Dysprosium-149100%
Decay chain
- HoHolmium-149Z 67 · N 8256.0 s
- β⁺100%
- β⁺100%
- β⁺83.3%
- β⁺~100%
- EC100%