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Cobalt Isotopes

Proton number: 27

Stable Isotopes


Cobalt stable isotope number 1: 59Co
Neutrons: 32;
Abundance: 100%;
Jn: 7/2-;

Natural Radioactive isotopes

There is no Cobalt Natural Radioactive isotopes known

Artificial Radioactive isotopes


Cobalt radioactive isotope number 1: 47Co
Neutrons: 20;
Jn: Unknown;
Decay: p ?;
t1/2: unknowns ;

Cobalt radioactive isotope number 2: 49Co
Neutrons: 22;
Jn: Unknown;
Decay: p
ε;
t1/2: 3.5E-08s ≈ 35.00 ns;

Cobalt radioactive isotope number 3: 50Co
Neutrons: 23;
Jn: 6+;
Decay: ε : 100.00 %
ε p > 54.00 %;
t1/2: 0.044s ≈ 44.00 ms;

Cobalt radioactive isotope number 4: 51Co
Neutrons: 24;
Jn: 7/2-;
Decay: ε;
t1/2: 2E-07s ≈ 0.20 µs;

Cobalt radioactive isotope number 5: 52Co
Neutrons: 25;
Jn: 6+;
Decay: ε : 100.00 %;
t1/2: 0.115s ;

Cobalt radioactive isotope number 6: 53Co
Neutrons: 26;
Jn: 7/2-;
Decay: ε : 100.00 %;
t1/2: 0.24s ;

Cobalt radioactive isotope number 7: 53Co
Neutrons: 26;
Jn: 19/2-;
Decay: ε ~ 98.50 %
p ~ 1.50 %;
t1/2: 0.247s ;

Cobalt radioactive isotope number 8: 54Co
Neutrons: 27;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 0.19328s ;

Cobalt radioactive isotope number 9: 54Co
Neutrons: 27;
Jn: 7+;
Decay: ε : 100.00 %;
t1/2: 88.8s ;

Cobalt radioactive isotope number 10: 55Co
Neutrons: 28;
Jn: 7/2-;
Decay: ε : 100.00 %;
t1/2: 63108s ≈ 17.53 h;

Cobalt radioactive isotope number 11: 56Co
Neutrons: 29;
Jn: 4+;
Decay: ε : 100.00 %;
t1/2: 6672931s ≈ 77.23 d;

Cobalt radioactive isotope number 12: 57Co
Neutrons: 30;
Jn: 7/2-;
Decay: ε : 100.00 %;
t1/2: 23478340s ≈ 271.74 d;

Cobalt radioactive isotope number 13: 58Co
Neutrons: 31;
Jn: 2+;
Decay: ε : 100.00 %;
t1/2: 6122304s ≈ 70.86 d;

Cobalt radioactive isotope number 14: 58Co
Neutrons: 31;
Jn: 5+;
Decay: IT : 100.00 %;
t1/2: 32544s ≈ 9.04 h;

Cobalt radioactive isotope number 15: 60Co
Neutrons: 33;
Jn: 5+;
Decay: β - : 100.00 %;
t1/2: 166344200s ≈ 5.27 y;

Cobalt radioactive isotope number 16: 60Co
Neutrons: 33;
Jn: 2+;
Decay: IT : 99.76 %
β - : 0.24 %;
t1/2: 628.02s ≈ 10.47 m;

Cobalt radioactive isotope number 17: 61Co
Neutrons: 34;
Jn: 7/2-;
Decay: β - : 100.00 %;
t1/2: 5940s ≈ 1.65 h;

Cobalt radioactive isotope number 18: 62Co
Neutrons: 35;
Jn: 2+;
Decay: β - : 100.00 %;
t1/2: 90s ;

Cobalt radioactive isotope number 19: 62Co
Neutrons: 35;
Jn: 5+;
Decay: β - > 99.00 %
IT < 1.00 %;
t1/2: 834.6s ≈ 13.91 m;

Cobalt radioactive isotope number 20: 63Co
Neutrons: 36;
Jn: 7/2-;
Decay: β - : 100.00 %;
t1/2: 27.4s ;

Cobalt radioactive isotope number 21: 64Co
Neutrons: 37;
Jn: 1+;
Decay: β - : 100.00 %;
t1/2: 0.3s ;

Cobalt radioactive isotope number 22: 65Co
Neutrons: 38;
Jn: 7/2-;
Decay: β - : 100.00 %;
t1/2: 1.2s ;

Cobalt radioactive isotope number 23: 66Co
Neutrons: 39;
Jn: 3+;
Decay: β - : 100.00 %;
t1/2: 0.18s ;

Cobalt radioactive isotope number 24: 67Co
Neutrons: 40;
Jn: 7/2-;
Decay: β - : 100.00 %;
t1/2: 0.425s ;

Cobalt radioactive isotope number 25: 68Co
Neutrons: 41;
Jn: 7-;
Decay: β - : 100.00 %;
t1/2: 0.199s ;

Cobalt radioactive isotope number 26: 68Co
Neutrons: 41;
Jn: 3+;
Decay: β - : 100.00 %;
t1/2: 1.6s ;

Cobalt radioactive isotope number 27: 69Co
Neutrons: 42;
Jn: 7/2-;
Decay: β - : 100.00 %;
t1/2: 0.22s ;

Cobalt radioactive isotope number 28: 70Co
Neutrons: 43;
Jn: 6-;
Decay: β - : 100.00 %;
t1/2: 0.119s ;

Cobalt radioactive isotope number 29: 70Co
Neutrons: 43;
Jn: 3+;
Decay: β - : 100.00 %;
t1/2: 0.5s ;

Cobalt radioactive isotope number 30: 71Co
Neutrons: 44;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 2.61 %;
t1/2: 0.079s ≈ 79.00 ms;

Cobalt radioactive isotope number 31: 72Co
Neutrons: 45;
Jn: 6-,7-;
Decay: β - : 100.00 %
β -n : 4.80 %;
t1/2: 0.062s ≈ 62.00 ms;

Cobalt radioactive isotope number 32: 73Co
Neutrons: 46;
Jn: Unknown;
Decay: β -;
t1/2: 0.041s ≈ 41.00 ms;

Cobalt radioactive isotope number 33: 74Co
Neutrons: 47;
Jn: 0+;
Decay: β -;
t1/2: 1.5E-07s ≈ 0.15 µs;

Cobalt radioactive isotope number 34: 75Co
Neutrons: 48;
Jn: 7/2-;
Decay: β - : 100.00 %;
t1/2: 1.5E-07s ≈ 0.15 µs;

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