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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