Home 96 Cm Curium back to the periodic table

 
Atomic number   96
Symbol   Cm
Atomic weight   247.0703
Density [g/cm3]   13,51
Melting point [°C]   1340
Boiling point [°C]   ---
1st Ionization energy [eV]   ---
Electronic configuration   [Rn] 5f7 6d 7s2
Oxidation number (most stable)   4, 3
Atomic radius [pm]   ---
Ionic radius [pm]   98 (3+)
Abundance in crustal rocks [ppm]   0
Origin of the name   named after Marie and Pièrre Curie
Discovery   1944 by the Americans Seaborg, Ghiorso, James and Morgan
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.