Periodic Table/Copper/⁷⁸Cu

← 77Cu79Cu →

⁷⁸Cu

Copper-78

Radioactive· Half-life: 331 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

29

Neutrons (N)

49

Mass Number (A)

78

Atomic Mass

77.951917AMU

Spin / Parity

6-

Binding E/A

8.165keV

Natural Abundance

Trace / None

Half-life

331 ms

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

β⁻

100.0%

β⁻n

50.6%

2n

Decay Chain

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

6-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

← Back to CopperData: IAEA NDS · ENSDF