It's Elemental - Isotopes of the Element Gallium

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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 Gallium with a Known Natural Abundance

Mass Number	Natural Abundance	Half-life

69	60.108%	Stable

71	39.892%	Stable

All Known Isotopes of the Element Gallium

Mass Number	Half-life	Decay Mode	Branching Percentage

56	No Data Available	Proton Emission	No Data Available

57	No Data Available	Proton Emission	No Data Available

58	No Data Available	Proton Emission	No Data Available

59	No Data Available	Proton Emission	No Data Available

60	70 milliseconds	Electron Capture	98.40

		Electron Capture with delayed Proton Emission	1.60

		Electron Capture with delayed Alpha Decay	< 0.02

61	0.15 seconds	Electron Capture	100.00

62	116.12 milliseconds	Electron Capture	100.00

63	32.4 seconds	Electron Capture	100.00

64	2.627 minutes	Electron Capture	100.00

65	15.2 minutes	Electron Capture	100.00

66	9.49 hours	Electron Capture	100.00

67	3.2612 days	Electron Capture	100.00

68	67.61 minutes	Electron Capture	100.00

69	Stable	-	-

70	21.14 minutes	Beta-minus Decay	99.59

		Electron Capture	0.41

71	Stable	-	-

72	14.10 hours	Beta-minus Decay	100.00

72_m	39.68 milliseconds	Isomeric Transition	No Data Available

73	4.86 hours	Beta-minus Decay	100.00

74	8.12 minutes	Beta-minus Decay	100.00

74_m	9.5 seconds	Isomeric Transition	75.00

		Beta-minus Decay	< 50.00

75	126 seconds	Beta-minus Decay	100.00

76	32.6 seconds	Beta-minus Decay	100.00

77	13.2 seconds	Beta-minus Decay	100.00

78	5.09 seconds	Beta-minus Decay	100.00

79	2.847 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	0.09

80	1.697 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	0.89

81	1.217 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	11.90

82	0.599 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	22.30

83	0.308 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	37.00

84	0.085 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	70.00

85	> 150 nanoseconds	Beta-minus Decay	No Data Available

86	> 150 nanoseconds	Beta-minus Decay	No Data Available