캘리포늄 동위 원소
표

| 핵종 기호 | Z(p)> 들뜬 에너지 | N(n)> 들뜬 에너지 |   동위 원소 질량 (u)  > 들뜬 에너지 | 반감기 | 붕괴 방식 | 붕괴 생성물 | 핵 스핀 |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 237Cf | 98 | 139 | 237.06207(54)# | 2.1(3) s | SF | 다양 | 5/2+# |
| 237Cf | 98 | 139 | 237.06207(54)# | 2.1(3) s | β+ | 237Bk | 5/2+# |
| 237Cf | 98 | 139 | 237.06207(54)# | 2.1(3) s | α | 233Cm | 5/2+# |
| 238Cf | 98 | 140 | 238.06141(43)# | 21.1(13) ms | SF | 다양 | 0+ |
| 238Cf | 98 | 140 | 238.06141(43)# | 21.1(13) ms | β+ (드묾) | 238Bk | 0+ |
| 238Cf | 98 | 140 | 238.06141(43)# | 21.1(13) ms | α (드묾) | 234Cm | 0+ |
| 239Cf | 98 | 141 | 239.06242(23)# | 60(30) s [39(+37-12) s] | α | 235Cm | 5/2+# |
| 239Cf | 98 | 141 | 239.06242(23)# | 60(30) s [39(+37-12) s] | β+ (드묾) | 239Bk | 5/2+# |
| 240Cf | 98 | 142 | 240.06230(22)# | 1.06(15) min | α (98%) | 236Cm | 0+ |
| 240Cf | 98 | 142 | 240.06230(22)# | 1.06(15) min | SF (2%) | 다양 | 0+ |
| 240Cf | 98 | 142 | 240.06230(22)# | 1.06(15) min | β+ (드묾) | 240Bk | 0+ |
| 241Cf | 98 | 143 | 241.06373(27)# | 3.78(70) min | β+ (75%) | 241Bk | 7/2-# |
| 241Cf | 98 | 143 | 241.06373(27)# | 3.78(70) min | α (25%) | 237Cm | 7/2-# |
| 242Cf | 98 | 144 | 242.06370(4) | 3.49(15) min | α (80%) | 238Cm | 0+ |
| 242Cf | 98 | 144 | 242.06370(4) | 3.49(15) min | β+ (20%) | 242Bk | 0+ |
| 242Cf | 98 | 144 | 242.06370(4) | 3.49(15) min | SF (0.014%) | 다양 | 0+ |
| 243Cf | 98 | 145 | 243.06543(15)# | 10.7(5) min | β+ (86%) | 243Bk | (1/2+) |
| 243Cf | 98 | 145 | 243.06543(15)# | 10.7(5) min | α (14%) | 239Cm | (1/2+) |
| 244Cf | 98 | 146 | 244.066001(3) | 19.4(6) min | α (99%) | 240Cm | 0+ |
| 244Cf | 98 | 146 | 244.066001(3) | 19.4(6) min | ε (1%) | 244Bk | 0+ |
| 245Cf | 98 | 147 | 245.068049(3) | 45.0(15) min | β+ (64%) | 245Bk | (5/2+) |
| 245Cf | 98 | 147 | 245.068049(3) | 45.0(15) min | α (36%) | 241Cm | (5/2+) |
| 246Cf | 98 | 148 | 246.0688053(22) | 35.7(5) h | α | 242Cm | 0+ |
| 246Cf | 98 | 148 | 246.0688053(22) | 35.7(5) h | ε (5×10−4%) | 246Bk | 0+ |
| 246Cf | 98 | 148 | 246.0688053(22) | 35.7(5) h | SF (2×10−4%) | 다양 | 0+ |
| 247Cf | 98 | 149 | 247.071001(9) | 3.11(3) h | ε (99.96%) | 247Bk | (7/2+)# |
| 247Cf | 98 | 149 | 247.071001(9) | 3.11(3) h | α (0.04%) | 243Cm | (7/2+)# |
| 248Cf | 98 | 150 | 248.072185(6) | 333.5(28) d | α (99.99%) | 244Cm | 0+ |
| 248Cf | 98 | 150 | 248.072185(6) | 333.5(28) d | SF (0.0029%) | 다양 | 0+ |
| 249Cf | 98 | 151 | 249.0748535(24) | 351(2) a | α | 245Cm | 9/2- |
| 249Cf | 98 | 151 | 249.0748535(24) | 351(2) a | SF (5×10−7%) | 다양 | 9/2- |
| 249mCf | 144.98(5) keV | 144.98(5) keV | 144.98(5) keV | 45(5) µs |  |  | 5/2+ |
| 250Cf | 98 | 152 | 250.0764061(22) | 13.08(9) a | α (99.92%) | 246Cm | 0+ |
| 250Cf | 98 | 152 | 250.0764061(22) | 13.08(9) a | SF (0.077%) | 다양 | 0+ |
| 251Cf | 98 | 153 | 251.079587(5) | 900(40) a | α | 247Cm | 1/2+ |
| 252Cf | 98 | 154 | 252.081626(5) | 2.645(8) a | α (96.9%) | 248Cm | 0+ |
| 252Cf | 98 | 154 | 252.081626(5) | 2.645(8) a | SF (3.09%) | 다양 | 0+ |
| 253Cf | 98 | 155 | 253.085133(7) | 17.81(8) d | β- (99.69%) | 253Es | (7/2+) |
| 253Cf | 98 | 155 | 253.085133(7) | 17.81(8) d | α (0.31%) | 249Cm | (7/2+) |
| 254Cf | 98 | 156 | 254.087323(13) | 60.5(2) d | SF (99.69%) | 다양 | 0+ |
| 254Cf | 98 | 156 | 254.087323(13) | 60.5(2) d | α (0.31%) | 250Cm | 0+ |
| 254Cf | 98 | 156 | 254.087323(13) | 60.5(2) d | β-β- (드묾) | 254Fm | 0+ |
| 255Cf | 98 | 157 | 255.09105(22)# | 85(18) min | β- (99.99%) | 255Es | (7/2+) |
| 255Cf | 98 | 157 | 255.09105(22)# | 85(18) min | SF (0.001%) | 다양 | (7/2+) |
| 255Cf | 98 | 157 | 255.09105(22)# | 85(18) min | α (10−5%) | 251Cm | (7/2+) |
| 256Cf | 98 | 158 | 256.09344(32)# | 12.3(12) min | SF (99%) | 다양 | 0+ |
| 256Cf | 98 | 158 | 256.09344(32)# | 12.3(12) min | β- (1%) | 256Es | 0+ |
| 256Cf | 98 | 158 | 256.09344(32)# | 12.3(12) min | α (10−6%) | 252Cm | 0+ |
| 256Cf | 98 | 158 | 256.09344(32)# | 12.3(12) min | β-β- (드묾) | 256Fm | 0+ |