Template:Infobox lawrencium

Lawrencium, ₁₀₃Lr
General properties
Pronunciation	Template:Infobox element/pronunciation
Appearance	silvery (predicted)
Standard atomic weight (Ar, standard)	Template:Infobox element/standard atomic weight
Mass number	Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Lawrencium in the periodic table
	Template:Infobox element/periodic table
Atomic number (Z)	103
Group	Template:Infobox element/group
Period	period 7
Block	f-block
Element category	Template:Infobox element/category format, sometimes considered a transition metal
Electron configuration	[Rn] 5f14 7s2 7p1
Electrons per shell	2, 8, 18, 32, 32, 8, 3
Physical properties
Phase at STP	solid (predicted)
Melting point	1900 K (1627 °C, 2961 °F) (predicted)
Density (near r.t.)	~15.6–16.6 g/cm3 (predicted)
Atomic properties
Oxidation states	Template:Infobox element/symbol-to-oxidation-state
Electronegativity	Pauling scale: 1.3 (predicted)
[[Ionization energy\|Template:Engvar energies]]	1st: 478.6 kJ/mol ; 2nd: 1428.0 kJ/mol (predicted); 3rd: 2219.1 kJ/mol (predicted); ;
	Template:Infobox element/spectral lines
Other properties
Crystal structure	Template:Infobox element/crystal structure Template:Infobox element/crystal structure; (predicted)
CAS Number	22537-19-5
History
Naming	after Ernest Lawrence
Discovery	Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research (1961–1971)
Main isotopes of lawrencium
	Template:Infobox element/isotopes table
	view; talk; edit; \| references

↑ Emsley, John (2011). Nature's Building Blocks: An A-Z Guide to the Elements (New ed.). New York, NY: Oxford University Press. p. 278–9. ISBN 978-0-19-960563-7.
↑ Fournier, Jean-Marc (1976). "Bonding and the electronic structure of the actinide metals". Journal of Physics and Chemistry of Solids. 37 (2): 235–244. Bibcode:1976JPCS...37..235F. doi:10.1016/0022-3697(76)90167-0.
↑ Penneman, R. A.; Mann, J. B. (1976). "'Calculation chemistry' of the superheavy elements; comparison with elements of the 7th period". Proceedings of the Moscow Symposium on the Chemistry of Transuranium Elements: 257–263. doi:10.1016/B978-0-08-020638-7.50053-1.
↑ Brown, Geoffrey (2012). The Inaccessible Earth: An integrated view to its structure and composition. Springer Science & Business Media. p. 88. ISBN 9789401115162.
↑ http://cen.acs.org/articles/93/i15/Lawrencium-Ionization-Energy-Measured.html?cq_ck=1428631698138
↑ Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B. 84 (11). Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.

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