Chemical elements
  Bromine
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Bromine Isotopes






Proton number: 35


Stable Isotopes


Bromine stable isotope number 1: 79Br
Neutrons: 44;
Abundance: 50.69%;
Jn: 3/2-;

Bromine stable isotope number 2: 81Br
Neutrons: 46;
Abundance: 49.31%;
Jn: 3/2-;

Natural Radioactive isotopes

There is no Bromine Natural Radioactive isotopes known

Artificial Radioactive isotopes


Bromine radioactive isotope number 1: 67Br
Neutrons: 32;
Jn: Unknown;
Decay: p ?;
t1/2: unknowns ;

Bromine radioactive isotope number 2: 68Br
Neutrons: 33;
Jn: Unknown;
Decay: p ?;
t1/2: 1.2E-06s ≈ 1.20 µs;

Bromine radioactive isotope number 3: 69Br
Neutrons: 34;
Jn: Unknown;
Decay: p;
t1/2: 2.4E-08s ≈ 24.00 ns;

Bromine radioactive isotope number 4: 70Br
Neutrons: 35;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 0.0791s ≈ 79.10 ms;

Bromine radioactive isotope number 5: 70Br
Neutrons: 35;
Jn: 9+;
Decay: ε : 100.00 %;
t1/2: 2.2s ;

Bromine radioactive isotope number 6: 71Br
Neutrons: 36;
Jn: 5/2-;
Decay: ε : 100.00 %;
t1/2: 21.4s ;

Bromine radioactive isotope number 7: 72Br
Neutrons: 37;
Jn: 1+;
Decay: ε : 100.00 %;
t1/2: 78.6s ;

Bromine radioactive isotope number 8: 72Br
Neutrons: 37;
Jn: 1-;
Decay: IT ~ 100.00 %
ε;
t1/2: 10.6s ;

Bromine radioactive isotope number 9: 73Br
Neutrons: 38;
Jn: 1/2-;
Decay: ε : 100.00 %;
t1/2: 204s ≈ 3.40 m;

Bromine radioactive isotope number 10: 74Br
Neutrons: 39;
Jn: 0-;
Decay: ε : 100.00 %;
t1/2: 1524s ≈ 25.40 m;

Bromine radioactive isotope number 11: 74Br
Neutrons: 39;
Jn: 4+;
Decay: ε : 100.00 %;
t1/2: 2760s ≈ 46.00 m;

Bromine radioactive isotope number 12: 75Br
Neutrons: 40;
Jn: 3/2-;
Decay: ε : 100.00 %;
t1/2: 5802s ≈ 1.61 h;

Bromine radioactive isotope number 13: 76Br
Neutrons: 41;
Jn: 1-;
Decay: ε : 100.00 %;
t1/2: 58320s ≈ 16.20 h;

Bromine radioactive isotope number 14: 76Br
Neutrons: 41;
Jn: 4+;
Decay: IT > 99.40 %
ε < 0.60 %;
t1/2: 1.31s ;

Bromine radioactive isotope number 15: 77Br
Neutrons: 42;
Jn: 3/2-;
Decay: ε : 100.00 %;
t1/2: 205329.6s ≈ 2.38 d;

Bromine radioactive isotope number 16: 77Br
Neutrons: 42;
Jn: 9/2+;
Decay: IT : 100.00 %;
t1/2: 256.8s ≈ 4.28 m;

Bromine radioactive isotope number 17: 78Br
Neutrons: 43;
Jn: 1+;
Decay: ε ≥ 99.99 %
β - ≤ 0.01 %;
t1/2: 387.6s ≈ 6.46 m;

Bromine radioactive isotope number 18: 79Br
Neutrons: 44;
Jn: 9/2+;
Decay: IT : 100.00 %;
t1/2: 4.86s ;

Bromine radioactive isotope number 19: 80Br
Neutrons: 45;
Jn: 1+;
Decay: β - : 91.70 %
ε : 8.30 %;
t1/2: 1060.8s ≈ 17.68 m;

Bromine radioactive isotope number 20: 80Br
Neutrons: 45;
Jn: 5-;
Decay: IT : 100.00 %;
t1/2: 15913.8s ≈ 4.42 h;

Bromine radioactive isotope number 21: 82Br
Neutrons: 47;
Jn: 5-;
Decay: β - : 100.00 %;
t1/2: 127015.2s ≈ 35.28 h;

Bromine radioactive isotope number 22: 82Br
Neutrons: 47;
Jn: 2-;
Decay: IT : 97.60 %
β - : 2.40 %;
t1/2: 367.8s ≈ 6.13 m;

Bromine radioactive isotope number 23: 83Br
Neutrons: 48;
Jn: 3/2-;
Decay: β - : 100.00 %;
t1/2: 8640s ≈ 2.40 h;

Bromine radioactive isotope number 24: 84Br
Neutrons: 49;
Jn: 2-;
Decay: β - : 100.00 %;
t1/2: 1908s ≈ 31.80 m;

Bromine radioactive isotope number 25: 84Br
Neutrons: 49;
Jn: 6-;
Decay: β - : 100.00 %;
t1/2: 360s ≈ 6.00 m;

Bromine radioactive isotope number 26: 85Br
Neutrons: 50;
Jn: 3/2-;
Decay: β - : 100.00 %;
t1/2: 174s ≈ 2.90 m;

Bromine radioactive isotope number 27: 86Br
Neutrons: 51;
Jn: 2-;
Decay: β - : 100.00 %;
t1/2: 55.1s ;

Bromine radioactive isotope number 28: 87Br
Neutrons: 52;
Jn: 3/2-;
Decay: β - : 100.00 %
β -n : 2.60 %;
t1/2: 55.65s ;

Bromine radioactive isotope number 29: 88Br
Neutrons: 53;
Jn: 2-;
Decay: β - : 100.00 %
β -n : 6.58 %;
t1/2: 16.29s ;

Bromine radioactive isotope number 30: 88Br
Neutrons: 53;
Jn: 4-,5-;
Decay: IT : 100.00 %;
t1/2: 5.3E-06s ≈ 5.30 µs;

Bromine radioactive isotope number 31: 89Br
Neutrons: 54;
Jn: 3/2-,5/2-;
Decay: β - : 100.00 %
β -n : 13.80 %;
t1/2: 4.4s ;

Bromine radioactive isotope number 32: 90Br
Neutrons: 55;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 25.20 %;
t1/2: 1.91s ;

Bromine radioactive isotope number 33: 91Br
Neutrons: 56;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 20.00 %;
t1/2: 0.541s ;

Bromine radioactive isotope number 34: 92Br
Neutrons: 57;
Jn: 2-;
Decay: β - : 100.00 %
β -n : 33.10 %;
t1/2: 0.343s ;

Bromine radioactive isotope number 35: 93Br
Neutrons: 58;
Jn: 5/2-;
Decay: β - : 100.00 %
β -n : 68.00 %;
t1/2: 0.102s ;

Bromine radioactive isotope number 36: 94Br
Neutrons: 59;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 68.00 %;
t1/2: 0.07s ≈ 70.00 ms;

Bromine radioactive isotope number 37: 95Br
Neutrons: 60;
Jn: 3/2-;
Decay: β -;
t1/2: 1.5E-07s ≈ 0.15 µs;

Bromine radioactive isotope number 38: 96Br
Neutrons: 61;
Jn: Unknown;
Decay: β -;
t1/2: 1.5E-07s ≈ 0.15 µs;

Bromine radioactive isotope number 39: 97Br
Neutrons: 62;
Jn: 3/2-;
Decay: β -;
t1/2: 1.5E-07s ≈ 0.15 µs;
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