Periodic Table/Copper/⁵⁵Cu

← 54Cu56Cu →

⁵⁵Cu

Copper-55

Radioactive· Half-life: 55.9 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

29

Neutrons (N)

26

Mass Number (A)

55

Atomic Mass

54.966038AMU

Spin / Parity

3/2-

Binding E/A

7.965keV

Natural Abundance

Trace / None

Half-life

55.9 ms

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

β⁺

100.0%

β⁺p

Decay Chain

⁵⁵CuCopper55.9 ms

β⁺100.0%

β⁺p⁵⁴Co

⁵⁵NiNickel204 ms

β⁺100.0%

⁵⁵CoCobalt17.5 h

β⁺100.0%

⁵⁵FeIron2.76 y

EC100.0%

⁵⁵MnManganeseSTABLE

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

Other Isotopes of Copper

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 77 78 79 80 81 82 83 84

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