Periodic Table/Cobalt/⁷⁸Co

← 77Co

⁷⁸Co

Cobalt-78

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

27

Neutrons (N)

51

Mass Number (A)

78

Atomic Mass

77.983553AMU

Spin / Parity

—

Binding E/A

7.820keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

Decay Chain

⁷⁸CoCobalt?

β⁻

⁷⁸NiNickel122 ms

β⁻100.0%

β⁻n⁷⁷Cu

2n⁷⁶Ni

⁷⁸CuCopper331 ms

β⁻100.0%

β⁻n⁷⁷Zn50.6%

2n⁷⁶Cu

⁷⁸ZnZinc1.47 s

β⁻100.0%

β⁻n⁷⁷Ga

⁷⁸GaGallium5.09 s

β⁻100.0%

⁷⁸GeGermanium1.47 h

β⁻100.0%

⁷⁸AsArsenic1.51 h

β⁻100.0%

⁷⁸SeSeleniumSTABLE

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

Other Isotopes of Cobalt

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 77 78

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