Chemical elements
  Californium
    Isotopes
    Energy
    Production
    Application

Californium Isotopes






Proton number: 98


Stable Isotopes

There is no Californium Stable isotopes known

Natural Radioactive isotopes

There is no Californium Natural Radioactive isotopes known

Artificial Radioactive isotopes


Californium radioactive isotope number 1: 237Cf
Neutrons: 139;
Jn: Unknown;
Decay: SF ~ 10.00 %
α ?;
t1/2: 2.1s ;

Californium radioactive isotope number 2: 238Cf
Neutrons: 140;
Jn: 0+;
Decay: SF ~ 100.00 %;
t1/2: 0.021s ≈ 21.00 ms;

Californium radioactive isotope number 3: 239Cf
Neutrons: 141;
Jn: Unknown;
Decay: α
ε;
t1/2: 39s ;

Californium radioactive isotope number 4: 240Cf
Neutrons: 142;
Jn: 0+;
Decay: α ~ 98.00 %
SF ~ 2.00 %
ε;
t1/2: 57.6s ;

Californium radioactive isotope number 5: 241Cf
Neutrons: 143;
Jn: 7/2-;
Decay: ε ~ 75.00 %
α ~ 25.00 %;
t1/2: 226.8s ≈ 3.78 m;

Californium radioactive isotope number 6: 242Cf
Neutrons: 144;
Jn: 0+;
Decay: α : 80.00 %
ε : 20.00 %
SF ≤ 0.01 %;
t1/2: 222s ≈ 3.70 m;

Californium radioactive isotope number 7: 243Cf
Neutrons: 145;
Jn: 1/2+;
Decay: ε ~ 86.00 %
α ~ 14.00 %;
t1/2: 642s ≈ 10.70 m;

Californium radioactive isotope number 8: 244Cf
Neutrons: 146;
Jn: 0+;
Decay: α ≤ 100.00 %;
t1/2: 1164s ≈ 19.40 m;

Californium radioactive isotope number 9: 245Cf
Neutrons: 147;
Jn: 1/2+,5/2+;
Decay: ε : 64.00 %
α : 36.00 %;
t1/2: 2700s ≈ 45.00 m;

Californium radioactive isotope number 10: 246Cf
Neutrons: 148;
Jn: 0+;
Decay: α : 100.00 %
ε < 4.0E-3 %
SF : 2.5E-4 %;
t1/2: 128520s ≈ 35.70 h;

Californium radioactive isotope number 11: 247Cf
Neutrons: 149;
Jn: 7/2+;
Decay: ε : 99.97 %
α : 0.04 %;
t1/2: 11196s ≈ 3.11 h;

Californium radioactive isotope number 12: 248Cf
Neutrons: 150;
Jn: 0+;
Decay: α : 100.00 %
SF : 2.9E-3 %;
t1/2: 28814400s ≈ 333.50 d;

Californium radioactive isotope number 13: 249Cf
Neutrons: 151;
Jn: 9/2-;
Decay: α : 100.00 %
SF : 5.0E-7 %;
t1/2: 11069140000s ≈ 351.00 y;

Californium radioactive isotope number 14: 250Cf
Neutrons: 152;
Jn: 0+;
Decay: α : 99.92 %
SF : 0.08 %;
t1/2: 412490900s ≈ 13.08 y;

Californium radioactive isotope number 15: 251Cf
Neutrons: 153;
Jn: 1/2+;
Decay: α : 100.00 %
SF;
t1/2: 28319330000s ≈ 898.00 y;

Californium radioactive isotope number 16: 252Cf
Neutrons: 154;
Jn: 0+;
Decay: α : 96.91 %
SF : 3.09 %;
t1/2: 83412720s ≈ 2.65 y;

Californium radioactive isotope number 17: 253Cf
Neutrons: 155;
Jn: 7/2+;
Decay: β - : 99.69 %
α : 0.31 %;
t1/2: 1538784s ≈ 17.81 d;

Californium radioactive isotope number 18: 254Cf
Neutrons: 156;
Jn: 0+;
Decay: SF : 99.69 %
α : 0.31 %;
t1/2: 5227200s ≈ 60.50 d;

Californium radioactive isotope number 19: 255Cf
Neutrons: 157;
Jn: 7/2+;
Decay: β - : 100.00 %;
t1/2: 5100s ≈ 1.42 h;

Californium radioactive isotope number 20: 256Cf
Neutrons: 158;
Jn: 0+;
Decay: SF : 100.00 %
β - < 1.00 %
α ~ 1.0E-6 %;
t1/2: 738s ≈ 12.30 m;
© Copyright 2008-2012 by atomistry.com