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Chemical element, symbol Lr and atomic number
|melting point comment= predicted}}
|boiling point= 3688C}}
|boiling point notes= predicted
|density= 13.269g/cm^3
|density notes=predicted
|oxidation states= 3
|number of ionization energies=3
|1st ionization energy= 443.8
|2nd ionization energy=1428.0
|3rd ionization energy=2219.1
|CAS number= 22537-19-5
|isotopes=
|-
! style="text-align:right;" | 262 Lr
| style="text-align:center;" | syn
| style="text-align:right;" | 3.6 h
| EC
| style="text-align:right;" | 262 No
|-
! style="text-align:right;" | 261 Lr
| style="text-align:center;" | syn
| style="text-align:right;" | 44 m
| SF/EC?
| style="text-align:right;" |
|-
! style="text-align:right;" | 260 Lr
| style="text-align:center;" | syn
| style="text-align:right;" | 2.7 m
| alpha
| style="text-align:right;" | 256 Md
|-
! rowspan="2" style="text-align:right; vertical-align:middle;" | 259 Lr
| rowspan="2" style="text-align:center; vertical-align:middle;" | syn
| rowspan="2" style="text-align:right; vertical-align:middle;" | 6.2 s
| 78% alpha
| style="text-align:right;" | 255 Md
|-
| 22% SF
| style="text-align:right;" |
|-
! style="text-align:right;" | 258 Lr
| style="text-align:center;" | syn
| style="text-align:right;" | 4.1 s
| alpha
| style="text-align:right;" | 254 Md
|-
! style="text-align:right;" | 257 Lr
| style="text-align:center;" | syn
| style="text-align:right;" | 0.65 s
| alpha
| style="text-align:right;" | 253 Md
|-
! style="text-align:right;" | 256 Lr
| style="text-align:center;" | syn
| style="text-align:right;" | 27 s
| alpha
| style="text-align:right;" | 252 Md
|-
! style="text-align:right;" | 255 Lr
| style="text-align:center;" | syn
| style="text-align:right;" | 21.5 s
| alpha
| style="text-align:right;" | 251 Md
|-
! rowspan="2" style="text-align:right; vertical-align:middle;" | 254 Lr
| rowspan="2" style="text-align:center; vertical-align:middle;" | syn
| rowspan="2" style="text-align:right; vertical-align:middle;" | 13 s
| 78% alpha
| style="text-align:right;" | 250 Md
|-
| 22% EC
| style="text-align:right;" | 254 No
|-
! style="text-align:right;" | 253 Lrm
| style="text-align:center;" | syn
| style="text-align:right;" | 0.57 s
| alpha
| style="text-align:right;" | 249 Md
|-
! rowspan="2" style="text-align:right; vertical-align:middle;" | 253 Lrg
| rowspan="2" style="text-align:center; vertical-align:middle;" | syn
| rowspan="2" style="text-align:right; vertical-align:middle;" | 1.49 s
| 92% alpha
| style="text-align:right;" | 249 Md
|-
| 8% SF
| style="text-align:right;" |
|-
! style="text-align:right;" | 252 Lr
| style="text-align:center;" | syn
| style="text-align:right;" | 0.36 s
| alpha
| style="text-align:right;" | 248 Md
|isotopes comment=
}}
References
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