Chemical elements
  Ununpentium
    Isotopes
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Ununpentium Isotopes






Proton number: 115


Stable Isotopes

There is no Ununpentium Stable isotopes known

Natural Radioactive isotopes

There is no Ununpentium Natural Radioactive isotopes known

Artificial Radioactive isotopes


Ununpentium radioactive isotope number 1: 287Uup
Neutrons: 172;
Jn: Unknown;
Decay: α : 100.00 %;
t1/2: 0.032s ≈ 32.00 ms;

Ununpentium radioactive isotope number 2: 288Uup
Neutrons: 173;
Jn: Unknown;
Decay: α : 100.00 %;
t1/2: 0.087s ≈ 87.00 ms;

Ununpentium radioactive isotope number 3: 289Uup
Neutrons: 174;
Jn: Unknown;
Decay: SF ?
α ?;
t1/2: 10s ;

Ununpentium radioactive isotope number 4: 290Uup
Neutrons: 175;
Jn: Unknown;
Decay: α ?
SF ?;
t1/2: 10s ;

Ununpentium radioactive isotope number 5: 291Uup
Neutrons: 176;
Jn: Unknown;
Decay: SF ?
α ?;
t1/2: 60s ;
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