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Manganese Isotopes

Proton number: 25

Stable Isotopes


Manganese stable isotope number 1: 55Mn
Neutrons: 30;
Abundance: 100%;
Jn: 5/2-;

Natural Radioactive isotopes

There is no Manganese Natural Radioactive isotopes known

Artificial Radioactive isotopes


Manganese radioactive isotope number 1: 44Mn
Neutrons: 19;
Jn: 2-;
Decay: p
ε;
t1/2: 1.05E-07s ≈ 0.11 µs;

Manganese radioactive isotope number 2: 45Mn
Neutrons: 20;
Jn: 7/2-;
Decay: p;
t1/2: 7E-08s ≈ 70.00 ns;

Manganese radioactive isotope number 3: 46Mn
Neutrons: 21;
Jn: [4+];
Decay: ε : 100.00 %
ε p : 22.00 %;
t1/2: 0.034s ≈ 34.00 ms;

Manganese radioactive isotope number 4: 47Mn
Neutrons: 22;
Jn: Unknown;
Decay: ε : 100.00 %
ε p > 3.40 %;
t1/2: 0.1s ;

Manganese radioactive isotope number 5: 48Mn
Neutrons: 23;
Jn: 4+;
Decay: ε : 100.00 %
ε p : 0.28 %
ε α < 6.0E-4 %;
t1/2: 0.1581s ;

Manganese radioactive isotope number 6: 49Mn
Neutrons: 24;
Jn: 5/2-;
Decay: ε : 100.00 %;
t1/2: 0.382s ;

Manganese radioactive isotope number 7: 50Mn
Neutrons: 25;
Jn: 0+;
Decay: ε : 100.00 %;
t1/2: 0.28329s ;

Manganese radioactive isotope number 8: 50Mn
Neutrons: 25;
Jn: 5+;
Decay: ε : 100.00 %;
t1/2: 105s ;

Manganese radioactive isotope number 9: 51Mn
Neutrons: 26;
Jn: 5/2-;
Decay: ε : 100.00 %;
t1/2: 2772s ≈ 46.20 m;

Manganese radioactive isotope number 10: 52Mn
Neutrons: 27;
Jn: 6+;
Decay: ε : 100.00 %;
t1/2: 483062.4s ≈ 5.59 d;

Manganese radioactive isotope number 11: 52Mn
Neutrons: 27;
Jn: 2+;
Decay: ε : 98.25 %
IT : 1.75 %;
t1/2: 1266s ≈ 21.10 m;

Manganese radioactive isotope number 12: 53Mn
Neutrons: 28;
Jn: 7/2-;
Decay: ε : 100.00 %;
t1/2: 1.179446E+14s ≈ 3.739999e+6 y;

Manganese radioactive isotope number 13: 54Mn
Neutrons: 29;
Jn: 3+;
Decay: ε : 100.00 %
β - < 2.9E-4 %;
t1/2: 26967170s ≈ 312.12 d;

Manganese radioactive isotope number 14: 56Mn
Neutrons: 31;
Jn: 3+;
Decay: β - : 100.00 %;
t1/2: 9284.04s ≈ 2.58 h;

Manganese radioactive isotope number 15: 57Mn
Neutrons: 32;
Jn: 5/2-;
Decay: β - : 100.00 %;
t1/2: 85.4s ;

Manganese radioactive isotope number 16: 58Mn
Neutrons: 33;
Jn: 1+;
Decay: β - : 100.00 %;
t1/2: 3s ;

Manganese radioactive isotope number 17: 58Mn
Neutrons: 33;
Jn: 4+;
Decay: β - ~ 80.00 %
IT ~ 20.00 %;
t1/2: 65.2s ;

Manganese radioactive isotope number 18: 59Mn
Neutrons: 34;
Jn: 5/2-;
Decay: β - : 100.00 %;
t1/2: 4.59s ;

Manganese radioactive isotope number 19: 60Mn
Neutrons: 35;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 51s ;

Manganese radioactive isotope number 20: 60Mn
Neutrons: 35;
Jn: 3+;
Decay: β - : 88.50 %
IT : 11.50 %;
t1/2: 1.77s ;

Manganese radioactive isotope number 21: 61Mn
Neutrons: 36;
Jn: 5/2-;
Decay: β - : 100.00 %;
t1/2: 0.67s ;

Manganese radioactive isotope number 22: 62Mn
Neutrons: 37;
Jn: 3+,4+;
Decay: β - : 100.00 %;
t1/2: 0.671s ;

Manganese radioactive isotope number 23: 62Mn
Neutrons: 37;
Jn: 1+;
Decay: β - : 100.00 %;
t1/2: 0.092s ≈ 92.00 ms;

Manganese radioactive isotope number 24: 62Mn
Neutrons: 37;
Jn: 3+,4+;
Decay: β -n ;
t1/2: 0.671s ;

Manganese radioactive isotope number 25: 63Mn
Neutrons: 38;
Jn: 5/2-;
Decay: β - : 100.00 %;
t1/2: 0.29s ;

Manganese radioactive isotope number 26: 64Mn
Neutrons: 39;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 1.42 %;
t1/2: 0.089s ≈ 89.00 ms;

Manganese radioactive isotope number 27: 65Mn
Neutrons: 40;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 6.92 %;
t1/2: 0.092s ≈ 92.00 ms;

Manganese radioactive isotope number 28: 66Mn
Neutrons: 41;
Jn: Unknown;
Decay: β - : 100.00 %
β -n : 10.88 %;
t1/2: 0.064s ≈ 64.00 ms;

Manganese radioactive isotope number 29: 67Mn
Neutrons: 42;
Jn: 5/2-;
Decay: β - : 100.00 %
β -n;
t1/2: 0.047s ≈ 47.00 ms;

Manganese radioactive isotope number 30: 69Mn
Neutrons: 44;
Jn: 5/2-;
Decay: β - : 100.00 %;
t1/2: 0.014s ≈ 14.00 ms;

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