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Berkelium Isotopes

Proton number: 97

Stable Isotopes


Berkelium stable isotope number 1: 236Bk
Neutrons: 139;
Abundance: None%;
Jn: ;

Natural Radioactive isotopes

There is no Berkelium Natural Radioactive isotopes known

Artificial Radioactive isotopes


Berkelium radioactive isotope number 1: 235Bk
Neutrons: 138;
Jn: Unknown;
Decay: α ?
ε ?;
t1/2: 20s ;

Berkelium radioactive isotope number 2: 237Bk
Neutrons: 140;
Jn: Unknown;
Decay: α ?
ε ?;
t1/2: 60s ;

Berkelium radioactive isotope number 3: 238Bk
Neutrons: 141;
Jn: Unknown;
Decay: ε : 100.00 %
ε F : 0.048 %;
t1/2: 144s ≈ 2.40 m;

Berkelium radioactive isotope number 4: 240Bk
Neutrons: 143;
Jn: Unknown;
Decay: ε F : 2.0E-3 %
ε;
t1/2: 288s ≈ 4.80 m;

Berkelium radioactive isotope number 5: 241Bk
Neutrons: 144;
Jn: 7/2+;
Decay: ε
α;
t1/2: 276s ≈ 4.60 m;

Berkelium radioactive isotope number 6: 242Bk
Neutrons: 145;
Jn: Unknown;
Decay: ε ≤ 100.00 %;
t1/2: 420s ≈ 7.00 m;

Berkelium radioactive isotope number 7: 243Bk
Neutrons: 146;
Jn: 3/2-;
Decay: ε ~ 99.85 %
α ~ 0.15 %;
t1/2: 16200s ≈ 4.50 h;

Berkelium radioactive isotope number 8: 244Bk
Neutrons: 147;
Jn: 4-;
Decay: ε : 99.99 %
α : 6.0E-3 %;
t1/2: 15660s ≈ 4.35 h;

Berkelium radioactive isotope number 9: 244Bk
Neutrons: 147;
Jn: Unknown;
Decay: SF ≤ 100.00 %;
t1/2: 8.2E-07s ≈ 0.82 µs;

Berkelium radioactive isotope number 10: 245Bk
Neutrons: 148;
Jn: 3/2-;
Decay: ε : 99.88 %
α : 0.12 %;
t1/2: 426816s ≈ 4.94 d;

Berkelium radioactive isotope number 11: 246Bk
Neutrons: 149;
Jn: 2-;
Decay: ε : 100.00 %
α < 0.20 %;
t1/2: 155520s ≈ 43.20 h;

Berkelium radioactive isotope number 12: 247Bk
Neutrons: 150;
Jn: 3/2-;
Decay: α ≤ 100.00 %;
t1/2: 43519680000s ≈ 1.380000e+3 y;

Berkelium radioactive isotope number 13: 248Bk
Neutrons: 151;
Jn: Unknown;
Decay: α;
t1/2: 283824000s ≈ 9.00 y;

Berkelium radioactive isotope number 14: 248Bk
Neutrons: 151;
Jn: 1-;
Decay: β - : 70.00 %
ε : 30.00 %;
t1/2: 85320s ≈ 23.70 h;

Berkelium radioactive isotope number 15: 249Bk
Neutrons: 152;
Jn: 7/2+;
Decay: β - : 100.00 %
α : 1.4E-3 %
SF : 4.7E-8 %;
t1/2: 28512000s ≈ 330.00 d;

Berkelium radioactive isotope number 16: 250Bk
Neutrons: 153;
Jn: 2-;
Decay: β - : 100.00 %;
t1/2: 11563.2s ≈ 3.21 h;

Berkelium radioactive isotope number 17: 251Bk
Neutrons: 154;
Jn: 3/2-;
Decay: β - : 100.00 %;
t1/2: 3336s ≈ 55.60 m;

Berkelium radioactive isotope number 18: 252Bk
Neutrons: 155;
Jn: Unknown;
Decay: Unknown;
t1/2: unknowns ;

Berkelium radioactive isotope number 19: 253Bk
Neutrons: 156;
Jn: Unknown;
Decay: β - ?;
t1/2: 600s ≈ 10.00 m;

Berkelium radioactive isotope number 20: 254Bk
Neutrons: 157;
Jn: Unknown;
Decay: β - ?;
t1/2: 120s ≈ 2.00 m;

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