| Nuc- lide | Atomic Mass | NN | Abun % | Spin | Half Life | DM | DT | BR % | Decay Energy (MeV) |
|---|---|---|---|---|---|---|---|---|---|
| Lr251 | 251.094 | 148 | Syn | ||||||
| Lr252 | 252.095 | 149 | Syn | ~1s | α | Md248 | ~90 | 9.150 | |
| ~1s | ε | No252 | ~10 | ||||||
| ~1s | SF | <1 | |||||||
| Lr253 | 253.095 | 150 | Syn | 1.3s | α | Md249 | 90 | 8.990 | |
| 1.3s | SF | <20 | |||||||
| 1.3s | ε | No253 | ~1 | 4.300 | |||||
| Lr254 | 254.097 | 151 | Syn | 13s | α | Md250 | 78 | 8.750 | |
| 13s | ε | No254 | 22 | 5.200 | |||||
| 13s | SF | <0.1 | |||||||
| Lr255 | 255.097 | 152 | Syn | 22s | α | Md251 | 85 | 8.620 | |
| 22s | ε | N0255 | <30 | 3.240 | |||||
| Lr256 | 256.099 | 153 | Syn | 28s | α | Md252 | >80 | 8.880 | |
| 28s | ε | No256 | <20 | 4.190 | |||||
| 28s | SF | <0.03 | |||||||
| Lr257 | 257.1 | 154 | Syn | 9/2+ | 0.646s | α | Md253 | 9.010 | |
| 0.646s | SF | 9.010 | |||||||
| Lr258 | 258.102 | 155 | Syn | 3.9s | α | Md254 | >95 | 8.900 | |
| 3.9s | ε | No258 | <5 | 3.380 | |||||
| 3.9s | SF | <5 | 3.380 | ||||||
| Lr259 | 259.103 | 156 | Syn | 6.3s | α | Md255 | 80 | 8.670 | |
| 6.3s | SF | 20 | |||||||
| 6.3s | ε | No259 | <0.5 | 1.810 | |||||
| Lr260 | 260.106 | 157 | Syn | 180s | α | Md256 | 75 | 8.310 | |
| 180s | ε | No260 | ~15 | 2.740 | |||||
| 180s | SF | <10 | |||||||
| Lr261 | 261.107 | 158 | Syn | 39m | SF | ||||
| Lr262 | 262.11 | 159 | Syn | 216m | SF | <10 | 2.100 | ||
| 216m | ε | No262 | 2.100 | ||||||
| Lr263 | 263.111 | 160 | Syn | ||||||
| Lr264 | 161 | Syn | |||||||
| Lr265 | 162 | Syn | |||||||
| Nuclide | Potential Parent Nuclides |
|---|---|
| Lr251 | Db255 (Syn) |
| Lr252 | Db256 (Syn) |
| Lr253 | Db257 (Syn) |
| Lr254 | Db258 (Syn) |
| Lr255 | Db259 (Syn) |
| Lr256 | Db260 (Syn) |
| Lr257 | Db261 (Syn) Rf257 (Syn) |
| Lr258 | Db262 (Syn) |
| Lr259 | Db263 (Syn) Rf260 (Syn) |
| Lr260 | None known |
| Lr261 | Rf261 (Syn) |
| Lr262 | None known |
| Lr263 | None known |
| Lr264 | None known |
| Lr265 | None known |
Key:
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A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.
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Kenneth Barbalace. Periodic Table of Elements - Lr - Lawrencium. EnvironmentalChemistry.com. 1995 - 2024. Accessed on-line: 4/19/2024
https://EnvironmentalChemistry.com/yogi/periodic/Lr-pg2.html
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