Notes
| Isotopes of Manganese |
| Notes
|
| Naturally occurring manganese is composed of just 1 stable isotope; 55Mn. |
 Notable Isotopes  |
 52Mn [27 neutrons] |
 Abundance: Synthetic
|
| Half life: 5.591 days [ Electron Capture ]
|
| Decay Energy: ? MeV |
| Decays to 52Cr.
|
| Half life: 5.591 days [ beta+ ]
|
| Decay Energy: 0.575 MeV |
| Decays to 52Cr.
|
| Half life: 5.591 days [ Gamma Radiation ]
|
| Decay Energy: 0.7, 0.9, 1.4 MeV |
| Decays to ?.
|
| 53Mn [28 neutrons] |
| Abundance: Synthetic
|
| Half life: 3.74 x 106 years [ Electron Capture ]
|
| Decay Energy: ? MeV |
| Decays to 53Cr.
|
| 54Mn [29 neutrons] |
| Abundance: Synthetic
|
| Half life: 312.3 days [ Electron Capture ]
|
| Decay Energy: ? MeV |
| Decays to 54Cr.
|
| Half life: 312.3 days [ Gamma Radiation ]
|
| Decay Energy: 0.834 MeV |
| Decays to ?.
|
| 55Mn [30 neutrons] |
| Abundance: 100%
|
| Stable with 30 neutrons
|