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Iodine Isotopes

Proton number: 53

Stable Isotopes


Iodine stable isotope number 1: 127I
Neutrons: 74;
Abundance: 100%;
Jn: 5/2+;

Natural Radioactive isotopes

There is no Iodine Natural Radioactive isotopes known

Artificial Radioactive isotopes


Iodine radioactive isotope number 1: 108I
Neutrons: 55;
Jn: 1;
Decay: α : 91.00 %
ε : 9.00 %
p < 1.00 %;
t1/2: 0.036s ≈ 36.00 ms;

Iodine radioactive isotope number 2: 109I
Neutrons: 56;
Jn: 1/2+;
Decay: p : 100.00 %;
t1/2: 0.000103s ≈ 0.10 ms;

Iodine radioactive isotope number 3: 110I
Neutrons: 57;
Jn: Unknown;
Decay: ε : 83.00 %
α : 17.00 %
ε p : 11.00 %
ε α : 1.10 %;
t1/2: 0.65s ;

Iodine radioactive isotope number 4: 111I
Neutrons: 58;
Jn: 5/2+;
Decay: ε : 99.90 %
α ~ 0.10 %;
t1/2: 2.5s ;

Iodine radioactive isotope number 5: 112I
Neutrons: 59;
Jn: Unknown;
Decay: ε : 100.00 %
α ~ 1.2E-3 %;
t1/2: 3.42s ;

Iodine radioactive isotope number 6: 113I
Neutrons: 60;
Jn: 5/2+;
Decay: ε : 100.00 %
α : 3.3E-7 %;
t1/2: 6.6s ;

Iodine radioactive isotope number 7: 114I
Neutrons: 61;
Jn: 1+;
Decay: ε : 100.00 %
ε p;
t1/2: 2.1s ;

Iodine radioactive isotope number 8: 114I
Neutrons: 61;
Jn: 7;
Decay: ε : 91.00 %
IT : 9.00 %;
t1/2: 6.2s ;

Iodine radioactive isotope number 9: 115I
Neutrons: 62;
Jn: 5/2+;
Decay: ε : 100.00 %;
t1/2: 78s ;

Iodine radioactive isotope number 10: 116I
Neutrons: 63;
Jn: 1+;
Decay: ε : 100.00 %;
t1/2: 2.91s ;

Iodine radioactive isotope number 11: 117I
Neutrons: 64;
Jn: 5/2+;
Decay: ε : 100.00 %;
t1/2: 133.2s ≈ 2.22 m;

Iodine radioactive isotope number 12: 118I
Neutrons: 65;
Jn: 2-;
Decay: ε : 100.00 %;
t1/2: 822s ≈ 13.70 m;

Iodine radioactive isotope number 13: 118I
Neutrons: 65;
Jn: 7-;
Decay: ε < 100.00 %
IT > 0.00 %;
t1/2: 510s ≈ 8.50 m;

Iodine radioactive isotope number 14: 119I
Neutrons: 66;
Jn: 5/2+;
Decay: ε : 100.00 %;
t1/2: 1146s ≈ 19.10 m;

Iodine radioactive isotope number 15: 120I
Neutrons: 67;
Jn: 2-;
Decay: ε : 100.00 %;
t1/2: 4896s ≈ 1.36 h;

Iodine radioactive isotope number 16: 120I
Neutrons: 67;
Jn: 7-;
Decay: ε : 100.00 %;
t1/2: 3180s ≈ 53.00 m;

Iodine radioactive isotope number 17: 121I
Neutrons: 68;
Jn: 5/2+;
Decay: ε : 100.00 %;
t1/2: 7632s ≈ 2.12 h;

Iodine radioactive isotope number 18: 122I
Neutrons: 69;
Jn: 1+;
Decay: ε : 100.00 %;
t1/2: 217.8s ≈ 3.63 m;

Iodine radioactive isotope number 19: 123I
Neutrons: 70;
Jn: 5/2+;
Decay: ε : 100.00 %;
t1/2: 47604.6s ≈ 13.22 h;

Iodine radioactive isotope number 20: 124I
Neutrons: 71;
Jn: 2-;
Decay: ε : 100.00 %;
t1/2: 360806.4s ≈ 4.18 d;

Iodine radioactive isotope number 21: 125I
Neutrons: 72;
Jn: 5/2+;
Decay: ε : 100.00 %;
t1/2: 5132160s ≈ 59.40 d;

Iodine radioactive isotope number 22: 126I
Neutrons: 73;
Jn: 2-;
Decay: ε : 52.70 %
β - : 47.30 %;
t1/2: 1117152s ≈ 12.93 d;

Iodine radioactive isotope number 23: 128I
Neutrons: 75;
Jn: 1+;
Decay: β - : 93.10 %
ε : 6.90 %;
t1/2: 1499.4s ≈ 24.99 m;

Iodine radioactive isotope number 24: 129I
Neutrons: 76;
Jn: 7/2+;
Decay: β - : 100.00 %;
t1/2: 4.951152E+14s ≈ 1.570000e+7 y;

Iodine radioactive isotope number 25: 130I
Neutrons: 77;
Jn: 5+;
Decay: β - : 100.00 %;
t1/2: 44496s ≈ 12.36 h;

Iodine radioactive isotope number 26: 130I
Neutrons: 77;
Jn: 2+;
Decay: IT : 84.00 %
β - : 16.00 %;
t1/2: 530.4s ≈ 8.84 m;

Iodine radioactive isotope number 27: 131I
Neutrons: 78;
Jn: 7/2+;
Decay: β - : 100.00 %;
t1/2: 693377.3s ≈ 8.03 d;

Iodine radioactive isotope number 28: 132I
Neutrons: 79;
Jn: 4+;
Decay: β - : 100.00 %;
t1/2: 8262s ≈ 2.29 h;

Iodine radioactive isotope number 29: 132I
Neutrons: 79;
Jn: 8-;
Decay: IT : 86.00 %
β - : 14.00 %;
t1/2: 4993.2s ≈ 1.39 h;

Iodine radioactive isotope number 30: 133I
Neutrons: 80;
Jn: 7/2+;
Decay: β - : 100.00 %;
t1/2: 74880s ≈ 20.80 h;

Iodine radioactive isotope number 31: 133I
Neutrons: 80;
Jn: 19/2-;
Decay: IT : 100.00 %;
t1/2: 9s ;

Iodine radioactive isotope number 32: 134I
Neutrons: 81;
Jn: 4+;
Decay: β - : 100.00 %;
t1/2: 3150s ≈ 52.50 m;

Iodine radioactive isotope number 33: 134I
Neutrons: 81;
Jn: 8-;
Decay: IT : 97.70 %
β - : 2.30 %;
t1/2: 211.2s ≈ 3.52 m;

Iodine radioactive isotope number 34: 135I
Neutrons: 82;
Jn: 7/2+;
Decay: β - : 100.00 %;
t1/2: 23652s ≈ 6.57 h;

Iodine radioactive isotope number 35: 136I
Neutrons: 83;
Jn: 1-;
Decay: β - : 100.00 %;
t1/2: 83.4s ;

Iodine radioactive isotope number 36: 136I
Neutrons: 83;
Jn: 6-;
Decay: β - : 100.00 %;
t1/2: 46.9s ;

Iodine radioactive isotope number 37: 137I
Neutrons: 84;
Jn: 7/2+;
Decay: β - : 100.00 %
β -n : 6.97 %;
t1/2: 24.5s ;

Iodine radioactive isotope number 38: 138I
Neutrons: 85;
Jn: 2-;
Decay: β - : 100.00 %
β -n : 5.56 %;
t1/2: 6.23s ;

Iodine radioactive isotope number 39: 139I
Neutrons: 86;
Jn: 7/2+;
Decay: β - : 100.00 %
β -n : 10.00 %;
t1/2: 2.28s ;

Iodine radioactive isotope number 40: 140I
Neutrons: 87;
Jn: 3;
Decay: β - : 100.00 %
β -n : 9.30 %;
t1/2: 0.86s ;

Iodine radioactive isotope number 41: 141I
Neutrons: 88;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 21.20 %;
t1/2: 0.43s ;

Iodine radioactive isotope number 42: 142I
Neutrons: 89;
Jn: Unknown;
Decay: β - : 100.00 %;
t1/2: 0.2s ;

Iodine radioactive isotope number 43: 143I
Neutrons: 90;
Jn: Unknown;
Decay: β - ?;
t1/2: 1.5E-07s ≈ 0.15 µs;

Iodine radioactive isotope number 44: 144I
Neutrons: 91;
Jn: Unknown;
Decay: β - ?;
t1/2: 3E-07s ≈ 0.30 µs;

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