Periodic Table/Nickel/⁵⁵Ni

← 54Ni56Ni →

⁵⁵Ni

Nickel-55

Radioactive· Half-life: 204 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

28

Neutrons (N)

27

Mass Number (A)

55

Atomic Mass

54.951330AMU

Spin / Parity

7/2-

Binding E/A

8.237keV

Natural Abundance

Trace / None

Half-life

204 ms

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

β⁺

100.0%

Decay Chain

⁵⁵NiNickel204 ms

β⁺100.0%

⁵⁵CoCobalt17.5 h

β⁺100.0%

⁵⁵FeIron2.76 y

EC100.0%

⁵⁵MnManganeseSTABLE

4-step decay chain → stable · Primary path shown

Other Isotopes of Nickel

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 77 78 79 80 81 82

← Back to NickelData: IAEA NDS · ENSDF