Cd
Cadmium-129m
Protons (Z)
48
Neutrons (N)
81
Mass number
129
Half-Life
157.0 ms
Abundance
---
Mass
128.933 u
Mass Excess
-62,779.0 keV
Spin
3/2+
Discovered
1986
Binding energy per nucleon
8,267 keV
Neutron separation energy
3,612 keV
Proton separation energy
15,358 keV
Decay Mode
Decay chain
- CdCadmium-129Z 48 · N 81157.0 ms
- β⁻100%
- β⁻99.77%
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%