Chemical elements
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Meitnerium Isotopes






Proton number: 109


Stable Isotopes

There is no Meitnerium Stable isotopes known

Natural Radioactive isotopes

There is no Meitnerium Natural Radioactive isotopes known

Artificial Radioactive isotopes


Meitnerium radioactive isotope number 1: 265Mt
Neutrons: 156;
Jn: Unknown;
Decay: α ?;
t1/2: 120s ≈ 2.00 m;

Meitnerium radioactive isotope number 2: 266Mt
Neutrons: 157;
Jn: Unknown;
Decay: α ≤ 100.00 %;
t1/2: 0.0017s ≈ 1.70 ms;

Meitnerium radioactive isotope number 3: 267Mt
Neutrons: 158;
Jn: Unknown;
Decay: α ?;
t1/2: 0.01s ≈ 10.00 ms;

Meitnerium radioactive isotope number 4: 268Mt
Neutrons: 159;
Jn: Unknown;
Decay: α ~ 100.00 %;
t1/2: 0.021s ≈ 21.00 ms;

Meitnerium radioactive isotope number 5: 270Mt
Neutrons: 161;
Jn: Unknown;
Decay: α ~ 100.00 %;
t1/2: 0.005s ≈ 5.00 ms;

Meitnerium radioactive isotope number 6: 271Mt
Neutrons: 162;
Jn: Unknown;
Decay: α ?;
t1/2: 5s ;

Meitnerium radioactive isotope number 7: 272Mt
Neutrons: 163;
Jn: Unknown;
Decay: SF ?
α ?;
t1/2: 10s ;

Meitnerium radioactive isotope number 8: 273Mt
Neutrons: 164;
Jn: Unknown;
Decay: α ?
SF ?;
t1/2: 20s ;

Meitnerium radioactive isotope number 9: 274Mt
Neutrons: 165;
Jn: Unknown;
Decay: SF ?
α ?;
t1/2: 20s ;

Meitnerium radioactive isotope number 10: 275Mt
Neutrons: 166;
Jn: Unknown;
Decay: α ~ 100.00 %;
t1/2: 0.0097s ≈ 9.70 ms;

Meitnerium radioactive isotope number 11: 276Mt
Neutrons: 167;
Jn: Unknown;
Decay: α ~ 100.00 %;
t1/2: 0.72s ;

Meitnerium radioactive isotope number 12: 279Mt
Neutrons: 170;
Jn: Unknown;
Decay: SF ?
α ?;
t1/2: 360s ≈ 6.00 m;
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