Lr
Лоуренсій
Z 103 266,0 г/мольАктиноїд Радіоактивний
| 251Lr | 148 | 251,0943 | 87 830,0 | --- | 300,0 мкс | --- | β⁺→251No α→247Md | --- |
| 252Lr | 149 | 252,0951 | 88 540,0 | --- | 369,0 мс | (7-) | α→248Md(98%) SF(2%) β⁺→252No | 2001 |
| 253Lr | 150 | 253,095 | 88 520,0 | --- | 632,0 мс | (7/2-) | α→249Md(90%) SF(1%) β⁺→253No | 1985 |
| 253mLr | 150 | 253,0951 | 88 560,0 | --- | 1,32 с | (1/2-) | α→249Md(90%) SF(12%) β⁺→253No γ→253Lr | 1985 |
| 254Lr | 151 | 254,0962 | 89 650,0 | --- | 12,0 с | (4+) | α→250Md(71,7%) β⁺→254No(28,3%) SF(<0,1%) | 1981 |
| 254mLr | 151 | 254,0964 | 89 750,0 | --- | 20,3 с | (1+) | α→250Md β⁺→254No γ→254Lr | 2019 |
| 255Lr | 152 | 255,0966 | 89 947,0 | --- | 31,1 с | (1/2-) | α→251Md(99,7%) β⁺→255No(0,3%) SF | 1971 |
| 255mLr | 152 | 255,0966 | 89 988,0 | --- | 2,54 с | (7/2-) | α→251Md(40%) γ→255Lr | 2006 |
| 255nLr | 152 | 255,0974 | 90 743,0 | --- | --- | (15/2+) | γ→255Lr(100%) | 2009 |
| 256Lr | 153 | 256,0985 | 91 750,0 | --- | 27,9 с | (0-) | α→252Md(85%) β⁺→256No(15%) SF(<0,03%) | 1965 |
| 257Lr | 154 | 257,0995 | 92 670,0 | --- | 6,0 с | (7/2-) | α→253Md(100%) β⁺→257No SF | 1971 |
| 257mLr | 154 | 257,0996 | 92 770,0 | --- | 270,0 мс | (1/2-) | α→253Md γ→257Lr | 2018 |
| 258Lr | 155 | 258,1018 | 94 780,0 | --- | 3,92 с | --- | α→254Md(97,4%) β⁺→258No(2,6%) | 1971 |
| 259Lr | 156 | 259,1029 | 95 850,0 | --- | 6,2 с | (1/2-) | α→255Md(78%) SF(22%) β⁺→259No | 1971 |
| 260Lr | 157 | 260,1055 | 98 280,0 | --- | 3,0 хв | --- | α→256Md(80%) β⁺→260No(20%) | 1971 |
| 261Lr | 158 | 261,1069 | 99 560,0 | --- | 39,0 хв | (1/2-) | SF(100%) α→257Md | 1987 |
| 262Lr | 159 | 262,1096 | 102 110,0 | --- | --- | --- | SF(<10%) β⁺→262No α→258Md | 1987 |
| 263Lr | 160 | 263,1113 | 103 670,0 | --- | 5,0 год | (1/2-) | α→259Md | --- |
| 264Lr | 161 | 264,1142 | 106 380,0 | --- | 10,0 год | --- | α→260Md SF | --- |
| 265Lr | 162 | 265,1162 | 108 230,0 | --- | 10,0 год | (1/2-) | α→261Md SF | --- |
| 266Lr | 163 | 266,1199 | 111 660,0 | --- | 22,0 год | --- | SF(100%) | 2014 |