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Niobium Isotopes






Proton number: 41


Stable Isotopes


Niobium stable isotope number 1: 93Nb
Neutrons: 52;
Abundance: 100%;
Jn: 9/2+;

Natural Radioactive isotopes

There is no Niobium Natural Radioactive isotopes known

Artificial Radioactive isotopes


Niobium radioactive isotope number 1: 81Nb
Neutrons: 40;
Jn: Unknown;
Decay: p ?
ε ?
ε p ?;
t1/2: 0.8s ;

Niobium radioactive isotope number 2: 82Nb
Neutrons: 41;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 0.05s ≈ 50.00 ms;

Niobium radioactive isotope number 3: 83Nb
Neutrons: 42;
Jn: 5/2+;
Decay: ε : 100.00 %;
t1/2: 4.1s ;

Niobium radioactive isotope number 4: 84Nb
Neutrons: 43;
Jn: 3+;
Decay: ε : 100.00 %
ε p;
t1/2: 9.5s ;

Niobium radioactive isotope number 5: 85Nb
Neutrons: 44;
Jn: 9/2+;
Decay: ε : 100.00 %;
t1/2: 20.9s ;

Niobium radioactive isotope number 6: 86Nb
Neutrons: 45;
Jn: Unknown;
Decay: ε;
t1/2: 56s ;

Niobium radioactive isotope number 7: 86Nb
Neutrons: 45;
Jn: 6+;
Decay: ε : 100.00 %;
t1/2: 88s ;

Niobium radioactive isotope number 8: 87Nb
Neutrons: 46;
Jn: 1/2-;
Decay: ε : 100.00 %;
t1/2: 225s ≈ 3.75 m;

Niobium radioactive isotope number 9: 87Nb
Neutrons: 46;
Jn: 9/2+;
Decay: ε ;
t1/2: 156s ≈ 2.60 m;

Niobium radioactive isotope number 10: 88Nb
Neutrons: 47;
Jn: 8+;
Decay: ε : 100.00 %;
t1/2: 873s ≈ 14.55 m;

Niobium radioactive isotope number 11: 88Nb
Neutrons: 47;
Jn: 4-;
Decay: ε : 100.00 %;
t1/2: 466.8s ≈ 7.78 m;

Niobium radioactive isotope number 12: 89Nb
Neutrons: 48;
Jn: 9/2+;
Decay: ε : 100.00 %;
t1/2: 7308s ≈ 2.03 h;

Niobium radioactive isotope number 13: 89Nb
Neutrons: 48;
Jn: 1/2-;
Decay: ε : 100.00 %;
t1/2: 3960s ≈ 1.10 h;

Niobium radioactive isotope number 14: 90Nb
Neutrons: 49;
Jn: 8+;
Decay: ε : 100.00 %;
t1/2: 52560s ≈ 14.60 h;

Niobium radioactive isotope number 15: 90Nb
Neutrons: 49;
Jn: 4-;
Decay: IT : 100.00 %;
t1/2: 18.81s ;

Niobium radioactive isotope number 16: 91Nb
Neutrons: 50;
Jn: 9/2+;
Decay: ε : 100.00 %;
t1/2: 21444480000s ≈ 680.00 y;

Niobium radioactive isotope number 17: 91Nb
Neutrons: 50;
Jn: 1/2-;
Decay: IT : 96.60 %
ε : 3.40 %;
t1/2: 5258304s ≈ 60.86 d;

Niobium radioactive isotope number 18: 92Nb
Neutrons: 51;
Jn: 7+;
Decay: ε : 100.00 %
β - < 0.05 %;
t1/2: 1.094299E+15s ≈ 3.469999e+7 y;

Niobium radioactive isotope number 19: 92Nb
Neutrons: 51;
Jn: 2+;
Decay: ε : 100.00 %;
t1/2: 876960s ≈ 10.15 d;

Niobium radioactive isotope number 20: 93Nb
Neutrons: 52;
Jn: 1/2-;
Decay: IT : 100.00 %;
t1/2: 508675700s ≈ 16.13 y;

Niobium radioactive isotope number 21: 94Nb
Neutrons: 53;
Jn: 6+;
Decay: β - : 100.00 %;
t1/2: 640180800000s ≈ 2.030000e+4 y;

Niobium radioactive isotope number 22: 94Nb
Neutrons: 53;
Jn: 3+;
Decay: IT : 99.50 %
β - : 0.50 %;
t1/2: 375.78s ≈ 6.26 m;

Niobium radioactive isotope number 23: 95Nb
Neutrons: 54;
Jn: 9/2+;
Decay: β - : 100.00 %;
t1/2: 3023222s ≈ 34.99 d;

Niobium radioactive isotope number 24: 95Nb
Neutrons: 54;
Jn: 1/2-;
Decay: IT : 94.40 %
β - : 5.60 %;
t1/2: 311904s ≈ 3.61 d;

Niobium radioactive isotope number 25: 96Nb
Neutrons: 55;
Jn: 6+;
Decay: β - : 100.00 %;
t1/2: 84060s ≈ 23.35 h;

Niobium radioactive isotope number 26: 97Nb
Neutrons: 56;
Jn: 9/2+;
Decay: β - : 100.00 %;
t1/2: 4326s ≈ 1.20 h;

Niobium radioactive isotope number 27: 97Nb
Neutrons: 56;
Jn: 1/2-;
Decay: IT : 100.00 %;
t1/2: 58.7s ;

Niobium radioactive isotope number 28: 98Nb
Neutrons: 57;
Jn: 1+;
Decay: β - : 100.00 %;
t1/2: 2.86s ;

Niobium radioactive isotope number 29: 98Nb
Neutrons: 57;
Jn: 5+;
Decay: β - : 99.90 %
IT < 0.20 %;
t1/2: 3078s ≈ 51.30 m;

Niobium radioactive isotope number 30: 99Nb
Neutrons: 58;
Jn: 9/2+;
Decay: β - : 100.00 %;
t1/2: 15s ;

Niobium radioactive isotope number 31: 99Nb
Neutrons: 58;
Jn: 1/2-;
Decay: β - > 96.20 %
IT < 3.80 %;
t1/2: 156s ≈ 2.60 m;

Niobium radioactive isotope number 32: 100Nb
Neutrons: 59;
Jn: 1+;
Decay: β - : 100.00 %;
t1/2: 1.5s ;

Niobium radioactive isotope number 33: 100Nb
Neutrons: 59;
Jn: 4+,5+;
Decay: β - : 100.00 %;
t1/2: 2.99s ;

Niobium radioactive isotope number 34: 101Nb
Neutrons: 60;
Jn: 5/2+;
Decay: β - : 100.00 %;
t1/2: 7.1s ;

Niobium radioactive isotope number 35: 102Nb
Neutrons: 61;
Jn: Unknown;
Decay: β - : 100.00 %;
t1/2: 4.3s ;

Niobium radioactive isotope number 36: 102Nb
Neutrons: 61;
Jn: 1+;
Decay: β - : 100.00 %;
t1/2: 1.3s ;

Niobium radioactive isotope number 37: 103Nb
Neutrons: 62;
Jn: 5/2+;
Decay: β - : 100.00 %;
t1/2: 1.5s ;

Niobium radioactive isotope number 38: 104Nb
Neutrons: 63;
Jn: 1+;
Decay: β - : 100.00 %
β -n : 0.06 %;
t1/2: 4.9s ;

Niobium radioactive isotope number 39: 104Nb
Neutrons: 63;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 0.05 %;
t1/2: 0.94s ;

Niobium radioactive isotope number 40: 105Nb
Neutrons: 64;
Jn: 5/2+;
Decay: β - : 100.00 %
β -n : 1.70 %;
t1/2: 2.95s ;

Niobium radioactive isotope number 41: 106Nb
Neutrons: 65;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 4.50 %;
t1/2: 1.02s ;

Niobium radioactive isotope number 42: 107Nb
Neutrons: 66;
Jn: Unknown;
Decay: β - : 100.00 %;
t1/2: 0.33s ;

Niobium radioactive isotope number 43: 108Nb
Neutrons: 67;
Jn: 2+;
Decay: β - : 100.00 %
β -n : 6.20 %;
t1/2: 0.193s ;

Niobium radioactive isotope number 44: 109Nb
Neutrons: 68;
Jn: 5/2;
Decay: β - : 100.00 %
β -n : 31.00 %;
t1/2: 0.19s ;

Niobium radioactive isotope number 45: 110Nb
Neutrons: 69;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 40.00 %;
t1/2: 0.17s ;

Niobium radioactive isotope number 46: 111Nb
Neutrons: 70;
Jn: 5/2+;
Decay: β -;
t1/2: 0.08s ≈ 80.00 ms;

Niobium radioactive isotope number 47: 112Nb
Neutrons: 71;
Jn: 2+;
Decay: β -;
t1/2: 1.5E-07s ≈ 0.15 µs;

Niobium radioactive isotope number 48: 113Nb
Neutrons: 72;
Jn: Unknown;
Decay: β -;
t1/2: 0.03s ≈ 30.00 ms;
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