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Magnesium Isotopes

Proton number: 12

Stable Isotopes


Magnesium stable isotope number 1: 24Mg
Neutrons: 12;
Abundance: 78.99%;
Jn: 0+;

Magnesium stable isotope number 2: 25Mg
Neutrons: 13;
Abundance: 10%;
Jn: 5/2+;

Magnesium stable isotope number 3: 26Mg
Neutrons: 14;
Abundance: 11.01%;
Jn: 0+;

Natural Radioactive isotopes

There is no Magnesium Natural Radioactive isotopes known

Artificial Radioactive isotopes


Magnesium radioactive isotope number 1: 19Mg
Neutrons: 7;
Jn: Unknown;
Decay: 2p ?;
t1/2: unknowns ;

Magnesium radioactive isotope number 2: 20Mg
Neutrons: 8;
Jn: 0+;
Decay: ε : 100.00 %
ε p ~ 27.00 %;
t1/2: 0.0908s ≈ 90.80 ms;

Magnesium radioactive isotope number 3: 21Mg
Neutrons: 9;
Jn: 5/2+;
Decay: ε : 100.00 %
ε p : 32.60 %
ε α < 0.50 %;
t1/2: 0.122s ;

Magnesium radioactive isotope number 4: 22Mg
Neutrons: 10;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 3.8755s ;

Magnesium radioactive isotope number 5: 23Mg
Neutrons: 11;
Jn: 3/2+;
Decay: ε : 100.00 %;
t1/2: 11.317s ;

Magnesium radioactive isotope number 6: 23Mg
Neutrons: 11;
Jn: 17/2+;
Decay: p < 100.00 %;
t1/2: 1.5E-14s ≈ 15.00 fs;

Magnesium radioactive isotope number 7: 27Mg
Neutrons: 15;
Jn: 1/2+;
Decay: β - : 100.00 %;
t1/2: 567.48s ≈ 9.46 m;

Magnesium radioactive isotope number 8: 28Mg
Neutrons: 16;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 75294s ≈ 20.91 h;

Magnesium radioactive isotope number 9: 29Mg
Neutrons: 17;
Jn: 3/2+;
Decay: β - : 100.00 %;
t1/2: 1.3s ;

Magnesium radioactive isotope number 10: 30Mg
Neutrons: 18;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 0.335s ;

Magnesium radioactive isotope number 11: 31Mg
Neutrons: 19;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 1.70 %;
t1/2: 0.23s ;

Magnesium radioactive isotope number 12: 32Mg
Neutrons: 20;
Jn: 0+;
Decay: β - : 100.00 %
β -n : 5.50 %;
t1/2: 0.086s ≈ 86.00 ms;

Magnesium radioactive isotope number 13: 33Mg
Neutrons: 21;
Jn: 3/2+;
Decay: β - : 100.00 %
β -n : 17.00 %;
t1/2: 0.0905s ≈ 90.50 ms;

Magnesium radioactive isotope number 14: 34Mg
Neutrons: 22;
Jn: 0+;
Decay: β - : 100.00 %
β -n;
t1/2: 0.02s ≈ 20.00 ms;

Magnesium radioactive isotope number 15: 35Mg
Neutrons: 23;
Jn: 7/2-;
Decay: β - : 100.00 %
β -n : 52.00 %;
t1/2: 0.07s ≈ 70.00 ms;

Magnesium radioactive isotope number 16: 36Mg
Neutrons: 24;
Jn: 0+;
Decay: β -;
t1/2: 0.0039s ≈ 3.90 ms;

Magnesium radioactive isotope number 17: 37Mg
Neutrons: 25;
Jn: 7/2-;
Decay: β - : 100.00 %
β -n;
t1/2: 2.6E-07s ≈ 0.26 µs;

Magnesium radioactive isotope number 18: 38Mg
Neutrons: 26;
Jn: 0+;
Decay: β - ?;
t1/2: 2.6E-07s ≈ 0.26 µs;

Magnesium radioactive isotope number 19: 39Mg
Neutrons: 27;
Jn: Unknown;
Decay: n;
t1/2: 2.6E-07s ≈ 0.26 µs;

Magnesium radioactive isotope number 20: 40Mg
Neutrons: 28;
Jn: 0+;
Decay: β - ?
β -n ?;
t1/2: 0.001s ≈ 1.00 ms;

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