Home 103 Lr Lawencium back to the periodic table

Atomic number   103
Symbol   Lr
Atomic weight   260.1053
Density [g/cm3]   ---
Melting point [°C]   ---
Boiling point [°C]   ---
1st Ionization energy [eV]   ---
Electronic configuration   [Rn] 5f14 6d 7s2
Oxidation number (most stable)   3
Atomic radius [pm]   ---
Ionic radius [pm]   94 (3+)
Abundance in crustal rocks [ppm]   0
Origin of the name   named after Ernest O. Lawrence, the inventor of the cyclotron
Discovery   1959 by the Americans Ghiorso et al.
Uses   no technical significance.

This page in German - Diese Seite in Deutsch
© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
These recommendations are believed to be correct. However, no guarantee of their accuracy is given. Therefore, purchasers shall make their own tests to determine suitability for their use. These products are offered for industrial and related uses (e.g. research and development) only. However the user must take the necessary precautions appropriate for products containing chemicals. This description does not imply the absence of any patents, the responsibility whatsoever solely rests with the user.