Isotopes of Bromine

List of known isotopes of the element Bromine.

Isotope%Spin/parityRadiusIsotopic massDiscovery
67Brstab.syn.6.696·107 ±322 keV/c2
68Br35 ±5 nssyn.6.795·107 ±278 keV/c21995
69Br24 nssyn.(5/2-)6.895·107 ±45.09 keV/c21988
70Br79.1 ±8 mssyn.0+6.994·107 ±16 keV/c21978
71Br21.4 ±6 ssyn.(5/2)-7.093·107 ±5.799 keV/c21981
72Br78.6 ±24 ssyn.1+7.193·107 ±1.1 keV/c21970
73Br3.4 ±2 msyn.1/2-7.293·107 ±7.237 keV/c21970
74Br25.4 ±3 msyn.(0-)7.392·107 ±6.264 keV/c21952
75Br96.7 ±13 msyn.3/2-7.492·107 ±4.6 keV/c21948
76Br16.2 ±2 hsyn.1-7.592·107 ±10 keV/c21952
77Br57.04 ±12 hsyn.3/2-7.692·107 ±3.017 keV/c21948
78Br6.45 ±4 msyn.1+7.792·107 ±3.842 keV/c21937
79Brstab.50.65 ±0.09 %3/2-4.162 ±0.0021 fm7.891·107 ±1.074 keV/c21920
80Br17.68 ±2 msyn.1+7.991·107 ±1.065 keV/c21937
81Brstab.49.35 ±0.09 %3/2-4.159 ±0.0021 fm8.091·107 ±1.049 keV/c21920
82Br35.28 ±7 hsyn.5-8.191·107 ±1.042 keV/c21937
83Br2.374 ±4 hsyn.3/2-8.291·107 ±4.073 keV/c21937
84Br31.76 ±8 msyn.2-8.391·107 ±27.62 keV/c21943
85Br2.9 ±6 msyn.3/2-8.491·107 ±3.304 keV/c21943
86Br55.1 ±4 ssyn.(1-)8.591·107 ±3.304 keV/c21962
87Br55.68 ±12 ssyn.(5/2-)8.692·107 ±3.404 keV/c21943
88Br16.34 ±8 ssyn.(2-)8.792·107 ±3.404 keV/c21948
89Br4.357 ±22 ssyn.(5/2-)8.892·107 ±3.504 keV/c21959
90Br1.91 ±1 ssyn.8.993·107 ±3.604 keV/c21959
91Br0.543 ±4 ssyn.9.093·107 ±3.804 keV/c21974
92Br0.314 ±16 ssyn.9.193·107 ±7.202 keV/c21974
93Br102 ±10 mssyn.(5/2-)9.294·107 ±462.5 keV/c21981
94Br70 ±20 mssyn.9.394·107 ±215 keV/c21981
95Br150 nssyn.9.495·107 ±322 keV/c21997
96Br150 nssyn.9.595·107 ±322 keV/c21997
97Brstab.syn.9.696·107 ±429 keV/c21997
98Brstab.syn.9.796·107 ±429 keV/c22010
101Brstab.syn.

67BrBromine-67

Classificationz: 35; n: 32; m: 67
Half lifestable nuclide
Natural abundancesynthetic nuclide
Mass excess-32,530 ±300 keV
Binding energy8,148 ±4 keV
Single-particle energy-1,842 ±361 keV
Neutron separation energy17,030 ±500 keV
Q value for electron capture14,050 ±307.4 keV
β⁻ decay energy-16,980 ±520 keV
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68BrBromine-68

Classificationz: 35; n: 33; m: 68
Half life35 ±5 ns
Natural abundancesynthetic nuclide
Discovery1995
Mass excess-38,800 ±259 keV
Binding energy8,239 ±4 keV
Single-particle energy-500 ±250 keV
Neutron separation energy14,330 ±396 keV
Q value for electron capture15,390 ±259 keV
β⁻ decay energy-13,170 ±563 keV
β⁻ decay energy with neutron-31,320 ±497 keV
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69BrBromine-69

Classificationz: 35; n: 34; m: 69
Half life24 ns
Natural abundancesynthetic nuclide
Spin/parity(5/2-)
Decay modesproton emission
Discovery1988
Mass excess-46,260 ±42 keV
Binding energy8,344 ±0.6087 keV
Single-particle energy-641 ±42 keV
Neutron separation energy15,530 ±262 keV
Q value for electron capture10,170 ±42.02 keV
β⁻ decay energy-14,120 ±303 keV
β⁻ decay energy with neutron-28,710 ±502 keV
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70BrBromine-70

Classificationz: 35; n: 35; m: 70
Half life79.1 ±8 ms
Natural abundancesynthetic nuclide
Spin/parity0+
Decay modeselectron capture + β⁺ decay
Discovery1978
Mass excess-51,430 ±14.9 keV
Binding energy8,414 ±0.2129 keV
Single-particle energy2,279 ±14.97 keV
Neutron separation energy13,230 ±44.56 keV
Q value for electron capture10,500 ±14.98 keV
β⁻ decay energy-10,330 ±201 keV
β⁻ decay energy with neutron-27,360 ±300 keV
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71BrBromine-71

Classificationz: 35; n: 36; m: 71
Half life21.4 ±6 s
Natural abundancesynthetic nuclide
Spin/parity(5/2)-
Decay modeselectron capture + β⁺ decay
Discovery1981
Mass excess-56,510 ±5.402 keV
Binding energy8,481 ±0.0761 keV
Single-particle energy1,861 ±5.629 keV
Neutron separation energy13,140 ±15.85 keV
Q value for electron capture6,644 ±6.082 keV
β⁻ decay energy-10,180 ±128.8 keV
β⁻ decay energy with neutron-23,480 ±200 keV
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72BrBromine-72

Classificationz: 35; n: 37; m: 72
Half life78.6 ±24 s
Natural abundancesynthetic nuclide
Spin/parity1+
Decay modeselectron capture + β⁺ decay
Discovery1970
Mass excess-59,070 ±1.025 keV
Binding energy8,511 ±0.0142 keV
Single-particle energy3,204 ±2.976 keV
Neutron separation energy10,630 ±5.498 keV
Q value for electron capture8,806 ±2.208 keV
β⁻ decay energy-5,122 ±8.076 keV
β⁻ decay energy with neutron-20,810 ±128.7 keV
Magnetic dipole moment0.6 ±0.1 μN
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73BrBromine-73

Classificationz: 35; n: 38; m: 73
Half life3.4 ±2 m
Natural abundancesynthetic nuclide
Spin/parity1/2-
Decay modeselectron capture + β⁺ decay
Discovery1970
Mass excess-63,650 ±6.741 keV
Binding energy8,568 ±0.0923 keV
Single-particle energy3,066 ±7.019 keV
Neutron separation energy12,650 ±6.818 keV
Q value for electron capture4,581 ±10.02 keV
β⁻ decay energy-7,095 ±9.418 keV
β⁻ decay energy with neutron-17,780 ±10.46 keV
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74BrBromine-74

Classificationz: 35; n: 39; m: 74
Half life25.4 ±3 m
Natural abundancesynthetic nuclide
Spin/parity(0-)
Decay modeselectron capture + β⁺ decay
Discovery1952
Mass excess-65,290 ±5.835 keV
Binding energy8,583 ±0.0789 keV
Single-particle energy4,349 ±9.442 keV
Neutron separation energy9,713 ±8.915 keV
Q value for electron capture6,925 ±5.835 keV
β⁻ decay energy-2,957 ±6.173 keV
β⁻ decay energy with neutron-16,810 ±8.793 keV
Magnetic dipole moment1.82 ±0.012 μN
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75BrBromine-75

Classificationz: 35; n: 40; m: 75
Half life96.7 ±13 m
Natural abundancesynthetic nuclide
Spin/parity3/2-
Decay modeselectron capture + β⁺ decay
Discovery1948
Mass excess-69,110 ±4.285 keV
Binding energy8,627 ±0.0571 keV
Single-particle energy4,182 ±4.284 keV
Neutron separation energy11,890 ±7.239 keV
Q value for electron capture3,062 ±4.286 keV
β⁻ decay energy-4,784 ±9.167 keV
β⁻ decay energy with neutron-14,850 ±4.734 keV
Magnetic dipole moment0.76 ±0.18 μN
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76BrBromine-76

Classificationz: 35; n: 41; m: 76
Half life16.2 ±2 h
Natural abundancesynthetic nuclide
Spin/parity1-
Decay modeselectron capture + β⁺ decay
Discovery1952
Mass excess-70,290 ±9.322 keV
Binding energy8,635 ±0.1227 keV
Single-particle energy5,408 ±9.322 keV
Neutron separation energy9,253 ±10.25 keV
Q value for electron capture4,962 ±9.322 keV
β⁻ decay energy-1,276 ±10.14 keV
β⁻ decay energy with neutron-14,040 ±12.35 keV
Magnetic dipole moment0.5477 ±1·10-4 μN
Electric quadrupole moment0.251 ±0.004 b
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77BrBromine-77

Classificationz: 35; n: 42; m: 77
Half life57.04 ±12 h
Natural abundancesynthetic nuclide
Spin/parity3/2-
Decay modeselectron capture + β⁺ decay
Discovery1948
Mass excess-73,240 ±2.811 keV
Binding energy8,666 ±0.0365 keV
Single-particle energy5,271 ±2.81 keV
Neutron separation energy11,010 ±9.736 keV
Q value for electron capture1,364 ±2.812 keV
β⁻ decay energy-3,066 ±3.424 keV
β⁻ decay energy with neutron-12,300 ±4.899 keV
Magnetic dipole moment0.9731 ±6·10-4 μN
Electric quadrupole moment0.5 ±0.02 b
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78BrBromine-78

Classificationz: 35; n: 43; m: 78
Half life6.45 ±4 m
Natural abundancesynthetic nuclide
Spin/parity1+
Decay modeselectron capture + β⁺ decay; β⁻ decay
Discovery1937
Mass excess-73,460 ±3.58 keV
Binding energy8,661 ±0.0459 keV
Single-particle energy6,141 ±3.579 keV
Neutron separation energy8,288 ±4.55 keV
Q value for electron capture3,573 ±3.584 keV
β⁻ decay energy726.1 ±3.584 keV
β⁻ decay energy with neutron-11,360 ±4.079 keV
Magnetic dipole moment0.13 ±0.03 μN
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79BrBromine-79

Classificationz: 35; n: 44; m: 79
Half lifestable nuclide
Natural abundance50.65 ±0.09 %
Spin/parity3/2-
Discovery1920
Mass excess-76,070 ±1.001 keV
Binding energy8,687 ±0.0127 keV
Single-particle energy6,331 ±1.01 keV
Neutron separation energy10,680 ±3.715 keV
Q value for electron capture-150.7 ±1.026 keV
β⁻ decay energy-1,626 ±3.333 keV
β⁻ decay energy with neutron-9,962 ±1.04 keV
Magnetic dipole moment2.104 ±6·10-4 μN
Electric quadrupole moment0.3087 ±2·10-4 b
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80BrBromine-80

Classificationz: 35; n: 45; m: 80
Half life17.68 ±2 m
Natural abundancesynthetic nuclide
Spin/parity1+
Decay modesβ⁻ decay; electron capture + β⁺ decay
Discovery1937
Mass excess-75,890 ±0.993 keV
Binding energy8,677 ±0.0124 keV
Single-particle energy7,260 ±1.01 keV
Neutron separation energy7,892 ±0.1337 keV
Q value for electron capture1,870 ±1.372 keV
β⁻ decay energy2,004 ±1.141 keV
β⁻ decay energy with neutron-9,519 ±3.336 keV
Magnetic dipole moment0.5135 ±6·10-4 μN
Electric quadrupole moment0.182 ±0.003 b
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81BrBromine-81

Classificationz: 35; n: 46; m: 81
Half lifestable nuclide
Natural abundance49.35 ±0.09 %
Spin/parity3/2-
Discovery1920
Mass excess-77,980 ±0.978 keV
Binding energy8,695 ±0.0121 keV
Single-particle energy7,506 ±1.357 keV
Neutron separation energy10,150 ±1.39 keV
Q value for electron capture-1,589 ±1.382 keV
β⁻ decay energy-280.9 ±0.4713 keV
β⁻ decay energy with neutron-8,155 ±1.175 keV
Magnetic dipole moment2.268 ±6·10-4 μN
Electric quadrupole moment0.2579 ±2·10-4 b
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82BrBromine-82

Classificationz: 35; n: 47; m: 82
Half life35.28 ±7 h
Natural abundancesynthetic nuclide
Spin/parity5-
Decay modesβ⁻ decay
Discovery1937
Mass excess-77,500 ±0.971 keV
Binding energy8,682 ±0.0118 keV
Single-particle energy8,398 ±1.374 keV
Neutron separation energy7,592 ±0.12 keV
Q value for electron capture95.21 ±1.077 keV
β⁻ decay energy3,093 ±0.9714 keV
β⁻ decay energy with neutron-7,874 ±0.486 keV
Magnetic dipole moment1.625 ±6·10-4 μN
Electric quadrupole moment0.697 ±0.01 b
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83BrBromine-83

Classificationz: 35; n: 48; m: 83
Half life2.374 ±4 h
Natural abundancesynthetic nuclide
Spin/parity3/2-
Decay modesβ⁻ decay
Discovery1937
Mass excess-79,020 ±3.795 keV
Binding energy8,693 ±0.0457 keV
Single-particle energy8,708 ±3.797 keV
Neutron separation energy9,586 ±3.917 keV
Q value for electron capture-3,674 ±4.86 keV
β⁻ decay energy976.9 ±3.794 keV
β⁻ decay energy with neutron-6,494 ±3.794 keV
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84BrBromine-84

Classificationz: 35; n: 49; m: 84
Half life31.76 ±8 m
Natural abundancesynthetic nuclide
Spin/parity2-
Decay modesβ⁻ decay
Discovery1943
Mass excess-77,790 ±25.73 keV
Binding energy8,671 ±0.3063 keV
Single-particle energy9,731 ±25.9 keV
Neutron separation energy6,840 ±26 keV
Q value for electron capture-1,836 ±25.8 keV
β⁻ decay energy4,656 ±25.73 keV
β⁻ decay energy with neutron-5,864 ±25.73 keV
Magnetic dipole moment1.9 ±0.7 μN
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85BrBromine-85

Classificationz: 35; n: 50; m: 85
Half life2.9 ±6 m
Natural abundancesynthetic nuclide
Spin/parity3/2-
Decay modesβ⁻ decay
Discovery1943
Mass excess-78,580 ±3.078 keV
Binding energy8,673 ±0.0362 keV
Single-particle energy9,916 ±3.643 keV
Neutron separation energy8,863 ±25.91 keV
Q value for electron capture-6,162 ±4.038 keV
β⁻ decay energy2,904 ±3.67 keV
β⁻ decay energy with neutron-4,208 ±3.077 keV
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86BrBromine-86

Classificationz: 35; n: 51; m: 86
Half life55.1 ±4 s
Natural abundancesynthetic nuclide
Spin/parity(1-)
Decay modesβ⁻ decay
Discovery1962
Mass excess-75,640 ±3.078 keV
Binding energy8,632 ±0.0358 keV
Single-particle energy10,500 ±4.031 keV
Neutron separation energy5,128 ±4.347 keV
Q value for electron capture-5,130 ±3.978 keV
β⁻ decay energy7,633 ±3.077 keV
β⁻ decay energy with neutron-2,224 ±3.67 keV
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87BrBromine-87

Classificationz: 35; n: 52; m: 87
Half life55.68 ±12 s
Natural abundancesynthetic nuclide
Spin/parity(5/2-)
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1943
Mass excess-73,900 ±3.171 keV
Binding energy8,605 ±0.0364 keV
Single-particle energy10,670 ±4.044 keV
Neutron separation energy6,330 ±4.413 keV
Q value for electron capture-7,466 ±3.883 keV
β⁻ decay energy6,817 ±3.18 keV
β⁻ decay energy with neutron1,302 ±3.171 keV
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88BrBromine-88

Classificationz: 35; n: 53; m: 88
Half life16.34 ±8 s
Natural abundancesynthetic nuclide
Spin/parity(2-)
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1948
Mass excess-70,720 ±3.171 keV
Binding energy8,563 ±0.036 keV
Single-particle energy11,570 ±3.876 keV
Neutron separation energy4,895 ±4.478 keV
Q value for electron capture-6,832 ±4.618 keV
β⁻ decay energy8,975 ±4.105 keV
β⁻ decay energy with neutron1,922 ±3.18 keV
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89BrBromine-89

Classificationz: 35; n: 54; m: 89
Half life4.357 ±22 s
Natural abundancesynthetic nuclide
Spin/parity(5/2-)
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1959
Mass excess-68,280 ±3.264 keV
Binding energy8,530 ±0.0367 keV
Single-particle energy11,670 ±4.677 keV
Neutron separation energy5,629 ±4.545 keV
Q value for electron capture-9,282 ±4.956 keV
β⁻ decay energy8,261 ±3.904 keV
β⁻ decay energy with neutron3,345 ±4.178 keV
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90BrBromine-90

Classificationz: 35; n: 55; m: 90
Half life1.91 ±1 s
Natural abundancesynthetic nuclide
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1959
Mass excess-64,010 ±3.357 keV
Binding energy8,478 ±0.0373 keV
Single-particle energy12,290 ±5.012 keV
Neutron separation energy3,797 ±4.677 keV
Q value for electron capture-8,201 ±329.7 keV
β⁻ decay energy10,950 ±3.839 keV
β⁻ decay energy with neutron4,464 ±3.982 keV
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91BrBromine-91

Classificationz: 35; n: 56; m: 91
Half life0.543 ±4 s
Natural abundancesynthetic nuclide
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1974
Mass excess-61,110 ±3.543 keV
Binding energy8,441 ±0.0389 keV
Single-particle energy12,590 ±329.7 keV
Neutron separation energy5,178 ±4.875 keV
Q value for electron capture-10,530 ±433.1 keV
β⁻ decay energy9,866 ±4.189 keV
β⁻ decay energy with neutron5,780 ±4.003 keV
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92BrBromine-92

Classificationz: 35; n: 57; m: 92
Half life0.314 ±16 s
Natural abundancesynthetic nuclide
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1974
Mass excess-56,240 ±6.709 keV
Binding energy8,384 ±0.0729 keV
Single-particle energy12,940 ±433.1 keV
Neutron separation energy3,196 ±7.583 keV
Q value for electron capture-9,509 ±400 keV
β⁻ decay energy12,530 ±7.232 keV
β⁻ decay energy with neutron6,669 ±7.071 keV
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93BrBromine-93

Classificationz: 35; n: 58; m: 93
Half life102 ±10 ms
Natural abundancesynthetic nuclide
Spin/parity(5/2-)
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1981
Mass excess-52,900 ±430.8 keV
Binding energy8,345 ±4.632 keV
Single-particle energy13,450 ±588 keV
Neutron separation energy4,728 ±430.8 keV
Q value for electron capture-12,040 ±587.8 keV
β⁻ decay energy11,240 ±430.8 keV
β⁻ decay energy with neutron7,807 ±430.8 keV
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94BrBromine-94

Classificationz: 35; n: 59; m: 94
Half life70 ±20 ms
Natural abundancesynthetic nuclide
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1981
Mass excess-47,650 ±200 keV
Binding energy8,287 ±2 keV
Single-particle energy14,070 ±447 keV
Neutron separation energy2,831 ±475 keV
Q value for electron capture-10,850 ±538.5 keV
β⁻ decay energy13,690 ±201 keV
β⁻ decay energy with neutron8,415 ±200 keV
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95BrBromine-95

Classificationz: 35; n: 60; m: 95
Half life150 ns
Natural abundancesynthetic nuclide
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1997
Mass excess-43,850 ±300 keV
Binding energy8,245 ±3 keV
Single-particle energy14,330 ±583 keV
Neutron separation energy4,272 ±361 keV
Q value for electron capture-13,390 ±583 keV
β⁻ decay energy12,300 ±301 keV
β⁻ decay energy with neutron9,426 ±300 keV
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96BrBromine-96

Classificationz: 35; n: 61; m: 96
Half life150 ns
Natural abundancesynthetic nuclide
Decay modesβ⁻ decay; β⁻ decay with neutron emission
Discovery1997
Mass excess-38,210 ±300 keV
Binding energy8,184 ±3 keV
Single-particle energy15,030 ±583 keV
Neutron separation energy2,431 ±424 keV
β⁻ decay energy14,870 ±301 keV
β⁻ decay energy with neutron9,878 ±301 keV
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97BrBromine-97

Classificationz: 35; n: 62; m: 97
Half lifestable nuclide
Natural abundancesynthetic nuclide
Discovery1997
Mass excess-34,000 ±400 keV
Binding energy8,140 ±4 keV
Neutron separation energy3,862 ±500 keV
β⁻ decay energy13,420 ±420 keV
β⁻ decay energy with neutron11,010 ±400 keV
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98BrBromine-98

Classificationz: 35; n: 63; m: 98
Half lifestable nuclide
Natural abundancesynthetic nuclide
Discovery2010
Mass excess-28,050 ±400 keV
Binding energy8,078 ±4 keV
Neutron separation energy2,121 ±565 keV
β⁻ decay energy16,070 ±500 keV
β⁻ decay energy with neutron11,300 ±420 keV
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101BrBromine-101

Classificationz: 35; n: 66; m: 101
Half lifestable nuclide
Natural abundancesynthetic nuclide
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