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Neodymium Isotopes






Proton number: 60


Stable Isotopes


Neodymium stable isotope number 1: 142Nd
Neutrons: 82;
Abundance: 27.2%;
Jn: 0+;

Neodymium stable isotope number 2: 143Nd
Neutrons: 83;
Abundance: 12.2%;
Jn: 7/2-;

Neodymium stable isotope number 3: 145Nd
Neutrons: 85;
Abundance: 8.3%;
Jn: 7/2-;

Neodymium stable isotope number 4: 146Nd
Neutrons: 86;
Abundance: 17.2%;
Jn: 0+;

Neodymium stable isotope number 5: 148Nd
Neutrons: 88;
Abundance: 5.7%;
Jn: 0+;

Natural Radioactive isotopes


Neodymium radioactive isotope number 1: 144Nd
Neutrons: 84;
Abundance: 23.8%;
Jn: 0+;
Decay: α : 100.00 %;
t1/2: 7.221744E+22s ≈ 2.290000e+15 y;

Neodymium radioactive isotope number 2: 150Nd
Neutrons: 90;
Abundance: 5.6%;
Jn: 0+;
Decay: 2β -;
t1/2: 2.491344E+26s ≈ 7.900000e+18 y;

Artificial Radioactive isotopes


Neodymium radioactive isotope number 1: 124Nd
Neutrons: 64;
Jn: 0+;
Decay: ε ?;
t1/2: 0.5s ;

Neodymium radioactive isotope number 2: 125Nd
Neutrons: 65;
Jn: 5/2;
Decay: ε : 100.00 %
ε p > 0.00 %;
t1/2: 0.6s ;

Neodymium radioactive isotope number 3: 126Nd
Neutrons: 66;
Jn: 0+;
Decay: ε p
ε;
t1/2: 2E-07s ≈ 0.20 µs;

Neodymium radioactive isotope number 4: 127Nd
Neutrons: 67;
Jn: Unknown;
Decay: ε : 100.00 %
ε p;
t1/2: 1.8s ;

Neodymium radioactive isotope number 5: 128Nd
Neutrons: 68;
Jn: 0+;
Decay: ε : 100.00 %
ε p;
t1/2: 5s ;

Neodymium radioactive isotope number 6: 129Nd
Neutrons: 69;
Jn: 5/2+;
Decay: ε p
ε;
t1/2: 7s ;

Neodymium radioactive isotope number 7: 130Nd
Neutrons: 70;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 21s ;

Neodymium radioactive isotope number 8: 131Nd
Neutrons: 71;
Jn: 5/2+;
Decay: ε : 100.00 %
ε p > 0.00 %;
t1/2: 25.4s ;

Neodymium radioactive isotope number 9: 132Nd
Neutrons: 72;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 94s ;

Neodymium radioactive isotope number 10: 133Nd
Neutrons: 73;
Jn: 7/2+;
Decay: ε : 100.00 %;
t1/2: 70s ;

Neodymium radioactive isotope number 11: 133Nd
Neutrons: 73;
Jn: 1/2+;
Decay: ε : 100.00 %
IT;
t1/2: 70s ;

Neodymium radioactive isotope number 12: 134Nd
Neutrons: 74;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 510s ≈ 8.50 m;

Neodymium radioactive isotope number 13: 135Nd
Neutrons: 75;
Jn: 9/2-;
Decay: ε : 100.00 %;
t1/2: 744s ≈ 12.40 m;

Neodymium radioactive isotope number 14: 135Nd
Neutrons: 75;
Jn: 1/2+;
Decay: ε > 99.97 %
IT < 0.03 %;
t1/2: 330s ≈ 5.50 m;

Neodymium radioactive isotope number 15: 136Nd
Neutrons: 76;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 3039s ≈ 50.65 m;

Neodymium radioactive isotope number 16: 137Nd
Neutrons: 77;
Jn: 1/2+;
Decay: ε : 100.00 %;
t1/2: 2310s ≈ 38.50 m;

Neodymium radioactive isotope number 17: 137Nd
Neutrons: 77;
Jn: 11/2-;
Decay: IT : 100.00 %;
t1/2: 1.6s ;

Neodymium radioactive isotope number 18: 138Nd
Neutrons: 78;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 18144s ≈ 5.04 h;

Neodymium radioactive isotope number 19: 139Nd
Neutrons: 79;
Jn: 3/2+;
Decay: ε : 100.00 %;
t1/2: 1782s ≈ 29.70 m;

Neodymium radioactive isotope number 20: 139Nd
Neutrons: 79;
Jn: 11/2-;
Decay: ε : 88.20 %
IT : 11.80 %;
t1/2: 19800s ≈ 5.50 h;

Neodymium radioactive isotope number 21: 140Nd
Neutrons: 80;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 291168s ≈ 3.37 d;

Neodymium radioactive isotope number 22: 141Nd
Neutrons: 81;
Jn: 3/2+;
Decay: ε : 100.00 %;
t1/2: 8964s ≈ 2.49 h;

Neodymium radioactive isotope number 23: 141Nd
Neutrons: 81;
Jn: 11/2-;
Decay: IT : 100.00 %
ε < 0.05 %;
t1/2: 62s ;

Neodymium radioactive isotope number 24: 147Nd
Neutrons: 87;
Jn: 5/2-;
Decay: β - : 100.00 %;
t1/2: 948672s ≈ 10.98 d;

Neodymium radioactive isotope number 25: 149Nd
Neutrons: 89;
Jn: 5/2-;
Decay: β - : 100.00 %;
t1/2: 6220.8s ≈ 1.73 h;

Neodymium radioactive isotope number 26: 151Nd
Neutrons: 91;
Jn: 3/2+;
Decay: β - : 100.00 %;
t1/2: 746.4s ≈ 12.44 m;

Neodymium radioactive isotope number 27: 152Nd
Neutrons: 92;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 684s ≈ 11.40 m;

Neodymium radioactive isotope number 28: 153Nd
Neutrons: 93;
Jn: 3/2-;
Decay: β - : 100.00 %;
t1/2: 31.6s ;

Neodymium radioactive isotope number 29: 154Nd
Neutrons: 94;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 25.9s ;

Neodymium radioactive isotope number 30: 155Nd
Neutrons: 95;
Jn: Unknown;
Decay: β - : 100.00 %;
t1/2: 8.9s ;

Neodymium radioactive isotope number 31: 156Nd
Neutrons: 96;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 5.49s ;

Neodymium radioactive isotope number 32: 157Nd
Neutrons: 97;
Jn: Unknown;
Decay: β - ?;
t1/2: 1E-07s ≈ 0.10 µs;

Neodymium radioactive isotope number 33: 158Nd
Neutrons: 98;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 5E-08s ≈ 50.00 ns;

Neodymium radioactive isotope number 34: 159Nd
Neutrons: 99;
Jn: Unknown;
Decay: β - ?;
t1/2: 0.7s ;

Neodymium radioactive isotope number 35: 160Nd
Neutrons: 100;
Jn: 0+;
Decay: β - ?;
t1/2: 0.3s ;

Neodymium radioactive isotope number 36: 161Nd
Neutrons: 101;
Jn: Unknown;
Decay: β - ?;
t1/2: 0.2s ;
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