Isotopes of the Element Copper
[Click for Main Data]

Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information.

Isotopes of the Element Copper with a Known Natural Abundance

All Known Isotopes of the Element Copper

Mass Number	Half-life	Decay Mode	Branching Percentage

52	No Data Available	Proton Emission	No Data Available

53	< 300 nanoseconds	Electron Capture	No Data Available

		Proton Emission	No Data Available

54	< 75 nanoseconds	Proton Emission	No Data Available

55	> 200 nanoseconds	Electron Capture	100.00

56	78 milliseconds	Electron Capture	No Data Available

57	196.3 milliseconds	Electron Capture	100.00

58	3.204 seconds	Electron Capture	100.00

59	81.5 seconds	Electron Capture	100.00

60	23.7 minutes	Electron Capture	100.00

61	3.333 hours	Electron Capture	100.00

62	9.67 minutes	Electron Capture	100.00

63	Stable	-	-

64	12.700 hours	Electron Capture	61.00

		Beta-minus Decay	39.00

65	Stable	-	-

66	5.120 minutes	Beta-minus Decay	100.00

67	61.83 hours	Beta-minus Decay	100.00

68	31.1 seconds	Beta-minus Decay	100.00

68_m	3.75 minutes	Isomeric Transition	84.00

		Beta-minus Decay	16.00

69	2.85 minutes	Beta-minus Decay	100.00

70	4.5 seconds	Beta-minus Decay	100.00

70_m	47 seconds	Beta-minus Decay	100.00

71	19.5 seconds	Beta-minus Decay	100.00

72	6.6 seconds	Beta-minus Decay	100.00

73	4.2 seconds	Beta-minus Decay	100.00

74	1.594 seconds	Beta-minus Decay	100.00

75	1.224 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	3.50

76	0.641 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	3.00

76_m	1.27 seconds	Beta-minus Decay	100.00

77	0.469 seconds	Beta-minus Decay	100.00

78	342 milliseconds	Beta-minus Decay	100.00

79	188 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	55.00

80	> 150 nanoseconds	Beta-minus Decay	No Data Available

This page is maintained by Steve Gagnon.

Isotopes of the Element Copper[Click for Main Data]