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Plutonium Isotopes






Proton number: 94


Stable Isotopes

There is no Plutonium Stable isotopes known

Natural Radioactive isotopes

There is no Plutonium Natural Radioactive isotopes known

Artificial Radioactive isotopes


Plutonium radioactive isotope number 1: 228Pu
Neutrons: 134;
Jn: 0+;
Decay: α : 100.00 %;
t1/2: 1.1s ;

Plutonium radioactive isotope number 2: 229Pu
Neutrons: 135;
Jn: 3/2+;
Decay: α : 100.00 %;
t1/2: 2E-06s ≈ 2.00 µs;

Plutonium radioactive isotope number 3: 230Pu
Neutrons: 136;
Jn: 0+;
Decay: α : 84.00 %
ε : 16.00 %;
t1/2: 102s ;

Plutonium radioactive isotope number 4: 231Pu
Neutrons: 137;
Jn: 3/2+;
Decay: ε ≤ 99.80 %
α > 0.20 %;
t1/2: 516s ≈ 8.60 m;

Plutonium radioactive isotope number 5: 232Pu
Neutrons: 138;
Jn: 0+;
Decay: ε : 90.00 %
α : 10.00 %;
t1/2: 2028s ≈ 33.80 m;

Plutonium radioactive isotope number 6: 233Pu
Neutrons: 139;
Jn: Unknown;
Decay: ε : 99.88 %
α : 0.12 %;
t1/2: 1254s ≈ 20.90 m;

Plutonium radioactive isotope number 7: 234Pu
Neutrons: 140;
Jn: 0+;
Decay: ε ~ 94.00 %
α ~ 6.00 %;
t1/2: 31680s ≈ 8.80 h;

Plutonium radioactive isotope number 8: 235Pu
Neutrons: 141;
Jn: 5/2+;
Decay: ε : 100.00 %
α : 2.8E-3 %;
t1/2: 1518s ≈ 25.30 m;

Plutonium radioactive isotope number 9: 236Pu
Neutrons: 142;
Jn: 0+;
Decay: α : 100.00 %
SF : 1.9E-7 %;
t1/2: 90129890s ≈ 2.86 y;

Plutonium radioactive isotope number 10: 236Pu
Neutrons: 142;
Jn: 0+;
Decay: SF ≤ 100.00 %;
t1/2: 4E-11s ≈ 40.00 ps;

Plutonium radioactive isotope number 11: 236Pu
Neutrons: 142;
Jn: Unknown;
Decay: SF ≤ 100.00 %;
t1/2: 3.4E-08s ≈ 34.00 ns;

Plutonium radioactive isotope number 12: 237Pu
Neutrons: 143;
Jn: 7/2-;
Decay: ε : 100.00 %
α : 4.2E-3 %;
t1/2: 3905280s ≈ 45.20 d;

Plutonium radioactive isotope number 13: 237Pu
Neutrons: 143;
Jn: 1/2+;
Decay: IT ;
t1/2: 0.18s ;

Plutonium radioactive isotope number 14: 238Pu
Neutrons: 144;
Jn: 0+;
Decay: α : 100.00 %
SF : 1.9E-7 %;
t1/2: 2765707000s ≈ 87.70 y;

Plutonium radioactive isotope number 15: 239Pu
Neutrons: 145;
Jn: 1/2+;
Decay: α : 100.00 %
SF : 3.E-10 %;
t1/2: 760333000000s ≈ 2.411000e+4 y;

Plutonium radioactive isotope number 16: 240Pu
Neutrons: 146;
Jn: 0+;
Decay: α : 100.00 %
SF : 5.7E-6 %;
t1/2: 206907700000s ≈ 6.561000e+3 y;

Plutonium radioactive isotope number 17: 241Pu
Neutrons: 147;
Jn: 5/2+;
Decay: β - : 100.00 %
α : 2.5E-3 %
SF < 2E-14 %;
t1/2: 450649400s ≈ 14.29 y;

Plutonium radioactive isotope number 18: 241Pu
Neutrons: 147;
Jn: Unknown;
Decay: SF : 100.00 %
SF : 100.00 %;
t1/2: 3.2E-08s ≈ 32.00 ns;

Plutonium radioactive isotope number 19: 242Pu
Neutrons: 148;
Jn: 0+;
Decay: α : 100.00 %
SF : 5.5E-4 %;
t1/2: 1.1826E+13s ≈ 3.750000e+5 y;

Plutonium radioactive isotope number 20: 243Pu
Neutrons: 149;
Jn: 7/2+;
Decay: β - : 100.00 %;
t1/2: 17841.6s ≈ 4.96 h;

Plutonium radioactive isotope number 21: 244Pu
Neutrons: 150;
Jn: 0+;
Decay: α : 99.88 %
SF : 0.12 %;
t1/2: 2.52288E+15s ≈ 8.000000e+7 y;

Plutonium radioactive isotope number 22: 244Pu
Neutrons: 150;
Jn: Unknown;
Decay: SF ≤ 100.00 %;
t1/2: 3.8E-10s ≈ 0.38 ns;

Plutonium radioactive isotope number 23: 245Pu
Neutrons: 151;
Jn: 9/2-;
Decay: β - : 100.00 %;
t1/2: 37800s ≈ 10.50 h;

Plutonium radioactive isotope number 24: 246Pu
Neutrons: 152;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 936576s ≈ 10.84 d;

Plutonium radioactive isotope number 25: 247Pu
Neutrons: 153;
Jn: Unknown;
Decay: β - : 100.00 %;
t1/2: 196128s ≈ 2.27 d;
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