Periodic Table/Iron/⁷²Fe

← 71Fe73Fe →

⁷²Fe

Iron-72

Radioactive· Half-life: 17.0 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

26

Neutrons (N)

46

Mass Number (A)

72

Atomic Mass

71.968599AMU

Spin / Parity

0+

Binding E/A

8.011keV

Natural Abundance

Trace / None

Half-life

17.0 ms

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

β⁻

100.0%

β⁻n

2n

Decay Chain

⁷²FeIron17.0 ms

β⁻100.0%

β⁻n⁷¹Co

2n⁷⁰Fe

⁷²CoCobalt51.5 ms

β⁻100.0%

β⁻n⁷¹Ni4.00%

2n⁷⁰Co

⁷²NiNickel1.57 s

β⁻100.0%

β⁻n⁷¹Cu

⁷²CuCopper6.63 s

β⁻100.0%

⁷²ZnZinc1.94 d

β⁻100.0%

⁷²GaGallium14.0 h

β⁻100.0%

⁷²GeGermaniumSTABLE

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

Other Isotopes of Iron

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 74 75 76

← Back to IronData: IAEA NDS · ENSDF