Lawrencium

Source: http://www.tabulka.cz/english/elements/show.asp?id=103

name Lawrencium
latin Lawrentium
french Lawrencium
german Lawrencium
symbol Lr
proton number 103
atomic weight [260]
Pauling electronegativity -
electronic configuration [Rn] 5f146d17s2
1s22s22p63s23p63d104s24p64d105s25p64f145d106s26p65f146d17s2
melting point 1900 K, 1627°C, 2960°F
boiling point -
group -
period 7
state (by 20°C) solid
oxidation states +3

Discoverer

Year of discovery Discoverers
1961 Albert Ghiorso
Torbjorn Sikkeland
Almon E. Larsh
Robert M. Latimer


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