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Krypton Isotopes

Proton number: 36

Stable Isotopes


Krypton stable isotope number 1: 80Kr
Neutrons: 44;
Abundance: 2.28%;
Jn: 0+;

Krypton stable isotope number 2: 82Kr
Neutrons: 46;
Abundance: 11.58%;
Jn: 0+;

Krypton stable isotope number 3: 83Kr
Neutrons: 47;
Abundance: 11.49%;
Jn: 9/2+;

Krypton stable isotope number 4: 84Kr
Neutrons: 48;
Abundance: 57%;
Jn: 0+;

Krypton stable isotope number 5: 86Kr
Neutrons: 50;
Abundance: 17.3%;
Jn: 0+;

Natural Radioactive isotopes


Krypton radioactive isotope number 1: 78Kr
Neutrons: 42;
Abundance: 0.35%;
Jn: 0+;
Decay: 2ε;
t1/2: 7.25328E+27s ≈ 2.300000e+20 y;

Artificial Radioactive isotopes


Krypton radioactive isotope number 1: 69Kr
Neutrons: 33;
Jn: Unknown;
Decay: ε : 100.00 %;
t1/2: 0.032s ≈ 32.00 ms;

Krypton radioactive isotope number 2: 70Kr
Neutrons: 34;
Jn: 0+;
Decay: ε : 100.00 %
ε p ≤ 1.30 %;
t1/2: 0.052s ≈ 52.00 ms;

Krypton radioactive isotope number 3: 71Kr
Neutrons: 35;
Jn: 5/2-;
Decay: ε : 100.00 %
ε p : 5.20 %;
t1/2: 0.1s ;

Krypton radioactive isotope number 4: 72Kr
Neutrons: 36;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 17.1s ;

Krypton radioactive isotope number 5: 73Kr
Neutrons: 37;
Jn: 3/2-;
Decay: ε : 100.00 %
ε p : 0.25 %;
t1/2: 27.3s ;

Krypton radioactive isotope number 6: 73Kr
Neutrons: 37;
Jn: 9/2+;
Decay: IT : 100.00 %;
t1/2: 1.07E-07s ≈ 0.11 µs;

Krypton radioactive isotope number 7: 74Kr
Neutrons: 38;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 690s ≈ 11.50 m;

Krypton radioactive isotope number 8: 75Kr
Neutrons: 39;
Jn: 5/2+;
Decay: ε : 100.00 %;
t1/2: 257.4s ≈ 4.29 m;

Krypton radioactive isotope number 9: 76Kr
Neutrons: 40;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 53280s ≈ 14.80 h;

Krypton radioactive isotope number 10: 77Kr
Neutrons: 41;
Jn: 5/2+;
Decay: ε : 100.00 %;
t1/2: 4464s ≈ 1.24 h;

Krypton radioactive isotope number 11: 79Kr
Neutrons: 43;
Jn: 1/2-;
Decay: ε : 100.00 %;
t1/2: 126144s ≈ 35.04 h;

Krypton radioactive isotope number 12: 79Kr
Neutrons: 43;
Jn: 7/2+;
Decay: IT : 100.00 %;
t1/2: 50s ;

Krypton radioactive isotope number 13: 81Kr
Neutrons: 45;
Jn: 7/2+;
Decay: ε : 100.00 %;
t1/2: 7.221744E+12s ≈ 2.290000e+5 y;

Krypton radioactive isotope number 14: 81Kr
Neutrons: 45;
Jn: 1/2-;
Decay: IT : 100.00 %
ε : 2.5E-3 %;
t1/2: 13.1s ;

Krypton radioactive isotope number 15: 83Kr
Neutrons: 47;
Jn: 1/2-;
Decay: IT : 100.00 %;
t1/2: 6588s ≈ 1.83 h;

Krypton radioactive isotope number 16: 85Kr
Neutrons: 49;
Jn: 9/2+;
Decay: β - : 100.00 %;
t1/2: 338411500s ≈ 10.73 y;

Krypton radioactive isotope number 17: 85Kr
Neutrons: 49;
Jn: 1/2-;
Decay: β - : 78.60 %
IT : 21.40 %;
t1/2: 16128s ≈ 4.48 h;

Krypton radioactive isotope number 18: 87Kr
Neutrons: 51;
Jn: 5/2+;
Decay: β - : 100.00 %;
t1/2: 4578s ≈ 1.27 h;

Krypton radioactive isotope number 19: 88Kr
Neutrons: 52;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 10224s ≈ 2.84 h;

Krypton radioactive isotope number 20: 89Kr
Neutrons: 53;
Jn: 3/2+;
Decay: β - : 100.00 %;
t1/2: 189s ≈ 3.15 m;

Krypton radioactive isotope number 21: 90Kr
Neutrons: 54;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 32.32s ;

Krypton radioactive isotope number 22: 91Kr
Neutrons: 55;
Jn: 5/2+;
Decay: β - : 100.00 %;
t1/2: 8.57s ;

Krypton radioactive isotope number 23: 92Kr
Neutrons: 56;
Jn: 0+;
Decay: β - : 100.00 %
β -n : 0.03 %;
t1/2: 1.84s ;

Krypton radioactive isotope number 24: 93Kr
Neutrons: 57;
Jn: 1/2+;
Decay: β - : 100.00 %
β -n : 1.95 %;
t1/2: 1.286s ;

Krypton radioactive isotope number 25: 94Kr
Neutrons: 58;
Jn: 0+;
Decay: β - : 100.00 %
β -n : 1.11 %;
t1/2: 0.212s ;

Krypton radioactive isotope number 26: 95Kr
Neutrons: 59;
Jn: 1/2;
Decay: β - : 100.00 %
β -n : 2.87 %;
t1/2: 0.114s ;

Krypton radioactive isotope number 27: 96Kr
Neutrons: 60;
Jn: 0+;
Decay: β - : 100.00 %
β -n : 3.80 %;
t1/2: 0.08s ≈ 80.00 ms;

Krypton radioactive isotope number 28: 97Kr
Neutrons: 61;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 8.20 %;
t1/2: 0.063s ≈ 63.00 ms;

Krypton radioactive isotope number 29: 98Kr
Neutrons: 62;
Jn: 0+;
Decay: β - : 100.00 %
β -n : 7.00 %;
t1/2: 0.046s ≈ 46.00 ms;

Krypton radioactive isotope number 30: 99Kr
Neutrons: 63;
Jn: 3/2+;
Decay: β - : 100.00 %
β -n : 11.00 %;
t1/2: 0.04s ≈ 40.00 ms;

Krypton radioactive isotope number 31: 100Kr
Neutrons: 64;
Jn: 0+;
Decay: β -;
t1/2: 1.5E-07s ≈ 0.15 µs;

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