Periodic Table/Manganese/⁶⁹Mn

← 68Mn70Mn →

⁶⁹Mn

Manganese-69

Radioactive· Half-life: 22.1 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

25

Neutrons (N)

44

Mass Number (A)

69

Atomic Mass

68.972775AMU

Spin / Parity

5/2-

Binding E/A

7.970keV

Natural Abundance

Trace / None

Half-life

22.1 ms

Decay Modesoverview · half-life · α · β⁻ · β⁺

β⁻

100.0%

β⁻n

40.0%

2n

Decay Chain

⁶⁹MnManganese22.1 ms

β⁻100.0%

β⁻n⁶⁸Fe40.0%

2n⁶⁷Mn

⁶⁹FeIron162 ms

β⁻100.0%

β⁻n⁶⁸Co

2n⁶⁷Fe

⁶⁹CoCobalt180 ms

β⁻100.0%

β⁻n⁶⁸Ni

⁶⁹NiNickel11.4 s

β⁻100.0%

⁶⁹CuCopper2.85 min

β⁻100.0%

⁶⁹ZnZinc56.4 min

β⁻100.0%

⁶⁹GaGalliumSTABLE

7-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Manganese

43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73

← Back to ManganeseData: IAEA NDS · ENSDF