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Thulium Isotopes






Proton number: 69


Stable Isotopes


Thulium stable isotope number 1: 169Tm
Neutrons: 100;
Abundance: 100%;
Jn: 1/2+;

Natural Radioactive isotopes

There is no Thulium Natural Radioactive isotopes known

Artificial Radioactive isotopes


Thulium radioactive isotope number 1: 145Tm
Neutrons: 76;
Jn: 11/2-;
Decay: p : 100.00 %;
t1/2: 3.1E-06s ≈ 3.10 µs;

Thulium radioactive isotope number 2: 146Tm
Neutrons: 77;
Jn: 5-;
Decay: p
ε;
t1/2: 0.08s ≈ 80.00 ms;

Thulium radioactive isotope number 3: 146Tm
Neutrons: 77;
Jn: 8+;
Decay: p
ε;
t1/2: 0.2s ;

Thulium radioactive isotope number 4: 147Tm
Neutrons: 78;
Jn: 11/2-;
Decay: ε : 85.00 %
p : 15.00 %;
t1/2: 0.58s ;

Thulium radioactive isotope number 5: 148Tm
Neutrons: 79;
Jn: 10+;
Decay: ε : 100.00 %;
t1/2: 0.7s ;

Thulium radioactive isotope number 6: 149Tm
Neutrons: 80;
Jn: 11/2-;
Decay: ε : 100.00 %
ε p : 0.20 %;
t1/2: 0.9s ;

Thulium radioactive isotope number 7: 150Tm
Neutrons: 81;
Jn: 6-;
Decay: ε : 100.00 %;
t1/2: 2.2s ;

Thulium radioactive isotope number 8: 151Tm
Neutrons: 82;
Jn: 11/2-;
Decay: ε : 100.00 %;
t1/2: 4.17s ;

Thulium radioactive isotope number 9: 151Tm
Neutrons: 82;
Jn: 1/2+;
Decay: ε : 100.00 %;
t1/2: 6.6s ;

Thulium radioactive isotope number 10: 152Tm
Neutrons: 83;
Jn: 2-;
Decay: ε : 100.00 %;
t1/2: 8s ;

Thulium radioactive isotope number 11: 152Tm
Neutrons: 83;
Jn: 9+;
Decay: ε : 100.00 %;
t1/2: 5.2s ;

Thulium radioactive isotope number 12: 153Tm
Neutrons: 84;
Jn: 11/2-;
Decay: α : 91.00 %
ε : 9.00 %;
t1/2: 1.48s ;

Thulium radioactive isotope number 13: 153Tm
Neutrons: 84;
Jn: 1/2+;
Decay: α : 92.00 %
ε : 8.00 %;
t1/2: 2.5s ;

Thulium radioactive isotope number 14: 154Tm
Neutrons: 85;
Jn: 2-;
Decay: α : 54.00 %
ε : 46.00 %;
t1/2: 8.1s ;

Thulium radioactive isotope number 15: 154Tm
Neutrons: 85;
Jn: 9+;
Decay: α : 58.00 %
ε : 42.00 %
IT;
t1/2: 3.3s ;

Thulium radioactive isotope number 16: 155Tm
Neutrons: 86;
Jn: 11/2-;
Decay: ε : 99.11 %
α : 0.89 %;
t1/2: 21.6s ;

Thulium radioactive isotope number 17: 155Tm
Neutrons: 86;
Jn: 1/2+;
Decay: ε > 98.00 %
α < 2.00 %;
t1/2: 45s ;

Thulium radioactive isotope number 18: 156Tm
Neutrons: 87;
Jn: 2-;
Decay: ε : 99.94 %
α : 0.06 %;
t1/2: 83.8s ;

Thulium radioactive isotope number 19: 157Tm
Neutrons: 88;
Jn: 1/2+;
Decay: ε : 100.00 %;
t1/2: 217.8s ≈ 3.63 m;

Thulium radioactive isotope number 20: 158Tm
Neutrons: 89;
Jn: 2-;
Decay: ε : 100.00 %;
t1/2: 238.8s ≈ 3.98 m;

Thulium radioactive isotope number 21: 158Tm
Neutrons: 89;
Jn: 5+;
Decay: IT ? ;
t1/2: 20s ;

Thulium radioactive isotope number 22: 159Tm
Neutrons: 90;
Jn: 5/2+;
Decay: ε : 100.00 %;
t1/2: 547.8s ≈ 9.13 m;

Thulium radioactive isotope number 23: 160Tm
Neutrons: 91;
Jn: 1-;
Decay: ε : 100.00 %;
t1/2: 564s ≈ 9.40 m;

Thulium radioactive isotope number 24: 160Tm
Neutrons: 91;
Jn: 5;
Decay: IT : 85.00 %
ε : 15.00 %;
t1/2: 74.5s ;

Thulium radioactive isotope number 25: 161Tm
Neutrons: 92;
Jn: 7/2+;
Decay: ε : 100.00 %;
t1/2: 1812s ≈ 30.20 m;

Thulium radioactive isotope number 26: 162Tm
Neutrons: 93;
Jn: 1-;
Decay: ε : 100.00 %;
t1/2: 1302s ≈ 21.70 m;

Thulium radioactive isotope number 27: 162Tm
Neutrons: 93;
Jn: 5+;
Decay: IT : 82.00 %
ε : 18.00 %;
t1/2: 24.3s ;

Thulium radioactive isotope number 28: 163Tm
Neutrons: 94;
Jn: 1/2+;
Decay: ε : 100.00 %;
t1/2: 6516s ≈ 1.81 h;

Thulium radioactive isotope number 29: 164Tm
Neutrons: 95;
Jn: 1+;
Decay: ε : 100.00 %
ε : 39.00 %;
t1/2: 120s ≈ 2.00 m;

Thulium radioactive isotope number 30: 164Tm
Neutrons: 95;
Jn: 6-;
Decay: IT ~ 80.00 %
ε ~ 20.00 %;
t1/2: 306s ≈ 5.10 m;

Thulium radioactive isotope number 31: 165Tm
Neutrons: 96;
Jn: 1/2+;
Decay: ε : 100.00 %;
t1/2: 108216s ≈ 30.06 h;

Thulium radioactive isotope number 32: 166Tm
Neutrons: 97;
Jn: 2+;
Decay: ε : 100.00 %;
t1/2: 27720s ≈ 7.70 h;

Thulium radioactive isotope number 33: 167Tm
Neutrons: 98;
Jn: 1/2+;
Decay: ε : 100.00 %;
t1/2: 799200s ≈ 9.25 d;

Thulium radioactive isotope number 34: 168Tm
Neutrons: 99;
Jn: 3+;
Decay: ε : 99.99 %
β - : 0.01 %;
t1/2: 8043840s ≈ 93.10 d;

Thulium radioactive isotope number 35: 170Tm
Neutrons: 101;
Jn: 1-;
Decay: β - : 99.87 %
ε : 0.13 %;
t1/2: 11111040s ≈ 128.60 d;

Thulium radioactive isotope number 36: 171Tm
Neutrons: 102;
Jn: 1/2+;
Decay: β - : 100.00 %;
t1/2: 60549120s ≈ 1.92 y;

Thulium radioactive isotope number 37: 172Tm
Neutrons: 103;
Jn: 2-;
Decay: β - : 100.00 %;
t1/2: 228960s ≈ 2.65 d;

Thulium radioactive isotope number 38: 173Tm
Neutrons: 104;
Jn: 1/2+;
Decay: β - : 100.00 %;
t1/2: 29664s ≈ 8.24 h;

Thulium radioactive isotope number 39: 174Tm
Neutrons: 105;
Jn: 4-;
Decay: β - : 100.00 %;
t1/2: 324s ≈ 5.40 m;

Thulium radioactive isotope number 40: 175Tm
Neutrons: 106;
Jn: 1/2+;
Decay: β - : 100.00 %;
t1/2: 912s ≈ 15.20 m;

Thulium radioactive isotope number 41: 176Tm
Neutrons: 107;
Jn: 4+;
Decay: β - : 100.00 %;
t1/2: 114s ;

Thulium radioactive isotope number 42: 177Tm
Neutrons: 108;
Jn: 7/2-;
Decay: β - ≤ 100.00 %;
t1/2: 90s ;

Thulium radioactive isotope number 43: 178Tm
Neutrons: 109;
Jn: Unknown;
Decay: β - ?;
t1/2: 30s ;

Thulium radioactive isotope number 44: 179Tm
Neutrons: 110;
Jn: Unknown;
Decay: β - ?;
t1/2: 20s ;
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