Chemical elements
  Ununseptium
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Ununseptium Isotopes






Proton number: 117


Stable Isotopes

There is no Ununseptium Stable isotopes known

Natural Radioactive isotopes

There is no Ununseptium Natural Radioactive isotopes known

Artificial Radioactive isotopes


Ununseptium radioactive isotope number 1: 291Uus
Neutrons: 174;
Jn: Unknown;
Decay: α ?
SF ?;
t1/2: 0.01s ≈ 10.00 ms;

Ununseptium radioactive isotope number 2: 292Uus
Neutrons: 175;
Jn: Unknown;
Decay: α ?
SF ?;
t1/2: 0.05s ≈ 50.00 ms;
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