Lawrencium

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Revision as of 11:54, 4 May 2011 by imported>Milton Beychok (Replaced the infobox template and expanded the electron configuration. Edited the lede as well.)
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Lawrencium
262



  Lr
103
1s22s22p63s23p63d104s24p6 4d105s25p64f145d106s26p65f14 7s27p1
[ ? ] Transuranic element:
Hazard:
Radioactive


Lawrencium is a chemical element, having the chemical symbol Lr and its atomic number (the number of protons) is 103. It has a standard atomic weight of 262 g•mol −1 and it is a solid in its elemental form.

Lawrencium is considered a member of the "Transuranic" class of elements. At a pressure of 101.325 kPa, it has a melting point of 1,27 °C. There is no data available regarding its boiling point.

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