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Germanium Isotopes

Proton number: 32

Stable Isotopes


Germanium stable isotope number 1: 70Ge
Neutrons: 38;
Abundance: 20.37%;
Jn: 0+;

Germanium stable isotope number 2: 72Ge
Neutrons: 40;
Abundance: 27.31%;
Jn: 0+;

Germanium stable isotope number 3: 73Ge
Neutrons: 41;
Abundance: 7.76%;
Jn: 9/2+;

Germanium stable isotope number 4: 74Ge
Neutrons: 42;
Abundance: 36.73%;
Jn: 0+;

Natural Radioactive isotopes


Germanium radioactive isotope number 1: 76Ge
Neutrons: 44;
Abundance: 7.83%;
Jn: 0+;
Decay: 2β -;
t1/2: 5.613408E+28s ≈ 1.780000e+21 y;

Artificial Radioactive isotopes


Germanium radioactive isotope number 1: 58Ge
Neutrons: 26;
Jn: 0+;
Decay: 2p ?;
t1/2: unknowns ;

Germanium radioactive isotope number 2: 59Ge
Neutrons: 27;
Jn: Unknown;
Decay: 2p ?;
t1/2: unknowns ;

Germanium radioactive isotope number 3: 60Ge
Neutrons: 28;
Jn: 0+;
Decay: 2p ?
ε ?;
t1/2: 0.03s ≈ 30.00 ms;

Germanium radioactive isotope number 4: 61Ge
Neutrons: 29;
Jn: 3/2-;
Decay: ε : 100.00 %
ε p ~ 80.00 %;
t1/2: 0.039s ≈ 39.00 ms;

Germanium radioactive isotope number 5: 62Ge
Neutrons: 30;
Jn: 0+;
Decay: ε;
t1/2: 0.129s ;

Germanium radioactive isotope number 6: 63Ge
Neutrons: 31;
Jn: 3/2-;
Decay: ε : 100.00 %;
t1/2: 0.142s ;

Germanium radioactive isotope number 7: 64Ge
Neutrons: 32;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 63.7s ;

Germanium radioactive isotope number 8: 65Ge
Neutrons: 33;
Jn: 3/2-;
Decay: ε : 100.00 %;
t1/2: 30.9s ;

Germanium radioactive isotope number 9: 66Ge
Neutrons: 34;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 8136s ≈ 2.26 h;

Germanium radioactive isotope number 10: 67Ge
Neutrons: 35;
Jn: 1/2-;
Decay: ε : 100.00 %;
t1/2: 1134s ≈ 18.90 m;

Germanium radioactive isotope number 11: 68Ge
Neutrons: 36;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 23410080s ≈ 270.95 d;

Germanium radioactive isotope number 12: 69Ge
Neutrons: 37;
Jn: 5/2-;
Decay: ε : 100.00 %;
t1/2: 140580s ≈ 39.05 h;

Germanium radioactive isotope number 13: 71Ge
Neutrons: 39;
Jn: 1/2-;
Decay: ε : 100.00 %;
t1/2: 987552s ≈ 11.43 d;

Germanium radioactive isotope number 14: 73Ge
Neutrons: 41;
Jn: 1/2-;
Decay: IT : 100.00 %;
t1/2: 0.499s ;

Germanium radioactive isotope number 15: 75Ge
Neutrons: 43;
Jn: 1/2-;
Decay: β - : 100.00 %;
t1/2: 4966.8s ≈ 1.38 h;

Germanium radioactive isotope number 16: 75Ge
Neutrons: 43;
Jn: 7/2+;
Decay: IT : 99.97 %
β - : 0.03 %;
t1/2: 47.7s ;

Germanium radioactive isotope number 17: 77Ge
Neutrons: 45;
Jn: 7/2+;
Decay: β - : 100.00 %;
t1/2: 40680s ≈ 11.30 h;

Germanium radioactive isotope number 18: 77Ge
Neutrons: 45;
Jn: 1/2-;
Decay: β - : 81.00 %
IT : 19.00 %;
t1/2: 52.9s ;

Germanium radioactive isotope number 19: 78Ge
Neutrons: 46;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 5280s ≈ 1.47 h;

Germanium radioactive isotope number 20: 79Ge
Neutrons: 47;
Jn: 1/2-;
Decay: β - : 100.00 %;
t1/2: 18.98s ;

Germanium radioactive isotope number 21: 79Ge
Neutrons: 47;
Jn: 7/2+;
Decay: β - : 96.00 %
IT : 4.00 %;
t1/2: 39s ;

Germanium radioactive isotope number 22: 80Ge
Neutrons: 48;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 29.5s ;

Germanium radioactive isotope number 23: 81Ge
Neutrons: 49;
Jn: 9/2+;
Decay: β - : 100.00 %;
t1/2: 7.6s ;

Germanium radioactive isotope number 24: 81Ge
Neutrons: 49;
Jn: 1/2+;
Decay: β - : 100.00 %;
t1/2: 7.6s ;

Germanium radioactive isotope number 25: 82Ge
Neutrons: 50;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 4.55s ;

Germanium radioactive isotope number 26: 83Ge
Neutrons: 51;
Jn: 5/2+;
Decay: β - : 100.00 %;
t1/2: 1.85s ;

Germanium radioactive isotope number 27: 84Ge
Neutrons: 52;
Jn: 0+;
Decay: β - : 100.00 %
β -n : 10.80 %;
t1/2: 0.947s ;

Germanium radioactive isotope number 28: 85Ge
Neutrons: 53;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 14.00 %;
t1/2: 0.535s ;

Germanium radioactive isotope number 29: 86Ge
Neutrons: 54;
Jn: 0+;
Decay: β -;
t1/2: 1.5E-07s ≈ 0.15 µs;

Germanium radioactive isotope number 30: 87Ge
Neutrons: 55;
Jn: 5/2+;
Decay: β - : 100.00 %
β -n;
t1/2: 0.14s ;

Germanium radioactive isotope number 31: 88Ge
Neutrons: 56;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 3E-07s ≈ 0.30 µs;

Germanium radioactive isotope number 32: 89Ge
Neutrons: 57;
Jn: Unknown;
Decay: β -;
t1/2: 1.5E-07s ≈ 0.15 µs;

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