Template:Infobox lawrencium: Difference between revisions
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|phase= solid |
|phase= solid |
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|phase comment = presumably |
|phase comment = presumably |
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|melting point= 1724C}} |
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|{{elementbox_meltingpoint_1724C}} |
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|melting point comment= predicted}} |
|melting point comment= predicted}} |
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|boiling point= 3688C}} |
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|{{elementbox_boilingpoint_3688C}} |
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|boiling point notes= predicted |
|boiling point notes= predicted |
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|density= 13.269g/cm^3 |
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|density notes=predicted |
|density notes=predicted |
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|oxidation states= '''3''' |
|oxidation states= '''3''' |
Revision as of 20:37, 8 March 2011
Lawrencium | |||||||||||||||||||||||||||||||||||||||||||||
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Pronunciation | /lɒˈrɛnsiəm/ | ||||||||||||||||||||||||||||||||||||||||||||
Appearance | unknown, probably silvery, white or metallic gray | ||||||||||||||||||||||||||||||||||||||||||||
Mass number | [266] | ||||||||||||||||||||||||||||||||||||||||||||
Lawrencium in the periodic table | |||||||||||||||||||||||||||||||||||||||||||||
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Group | group 3 | ||||||||||||||||||||||||||||||||||||||||||||
Period | period 7 | ||||||||||||||||||||||||||||||||||||||||||||
Block | d-block | ||||||||||||||||||||||||||||||||||||||||||||
Electron configuration | [Rn] 5f14 7s2 7p1 | ||||||||||||||||||||||||||||||||||||||||||||
Electrons per shell | 2, 8, 18, 32, 32, 9, 2 | ||||||||||||||||||||||||||||||||||||||||||||
Physical properties | |||||||||||||||||||||||||||||||||||||||||||||
Phase at STP | solid presumably | ||||||||||||||||||||||||||||||||||||||||||||
Atomic properties | |||||||||||||||||||||||||||||||||||||||||||||
Oxidation states | +3 | ||||||||||||||||||||||||||||||||||||||||||||
Other properties | |||||||||||||||||||||||||||||||||||||||||||||
Natural occurrence | synthetic | ||||||||||||||||||||||||||||||||||||||||||||
Isotopes of lawrencium | |||||||||||||||||||||||||||||||||||||||||||||
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|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;" | 262Lr | style="text-align:center;" | syn | style="text-align:right;" | 3.6 h | EC | style="text-align:right;" | 262No |- ! style="text-align:right;" | 261Lr | style="text-align:center;" | syn | style="text-align:right;" | 44 m | SF/EC? | style="text-align:right;" | |- ! style="text-align:right;" | 260Lr | style="text-align:center;" | syn | style="text-align:right;" | 2.7 m | alpha | style="text-align:right;" | 256Md |- ! rowspan="2" style="text-align:right; vertical-align:middle;" | 259Lr | 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;" | 255Md |- | 22% SF | style="text-align:right;" | |- ! style="text-align:right;" | 258Lr | style="text-align:center;" | syn | style="text-align:right;" | 4.1 s | alpha | style="text-align:right;" | 254Md |- ! style="text-align:right;" | 257Lr | style="text-align:center;" | syn | style="text-align:right;" | 0.65 s | alpha | style="text-align:right;" | 253Md |- ! style="text-align:right;" | 256Lr | style="text-align:center;" | syn | style="text-align:right;" | 27 s | alpha | style="text-align:right;" | 252Md |- ! style="text-align:right;" | 255Lr | style="text-align:center;" | syn | style="text-align:right;" | 21.5 s | alpha | style="text-align:right;" | 251Md |- ! rowspan="2" style="text-align:right; vertical-align:middle;" | 254Lr | 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;" | 250Md |- | 22% EC | style="text-align:right;" | 254No |- ! style="text-align:right;" | 253Lrm | style="text-align:center;" | syn | style="text-align:right;" | 0.57 s | alpha | style="text-align:right;" | 249Md |- ! rowspan="2" style="text-align:right; vertical-align:middle;" | 253Lrg | 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;" | 249Md |- | 8% SF | style="text-align:right;" | |- ! style="text-align:right;" | 252Lr | style="text-align:center;" | syn | style="text-align:right;" | 0.36 s | alpha | style="text-align:right;" | 248Md |isotopes comment= }}
References
- ^ Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.
- ^ Oganessian, Yu. Ts.; Utyonkov, V. K.; Kovrizhnykh, N. D.; et al. (2022). "New isotope 286Mc produced in the 243Am+48Ca reaction". Physical Review C. 106 (064306). doi:10.1103/PhysRevC.106.064306.