Praseodymium

From Citizendium
Jump to navigation Jump to search
This article is a stub and thus not approved.
 Main Article
 Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
Properties [?]
 
https://en.citizendium.org/wiki/index.php?title=Praseodymium&printable=yes
This editable Main Article is under development and subject to a disclaimer.
Praseodymium
140.90765(2)



  Pr
59
1s22s22p63s23p63d104s24p6 4d105s25p64f36s2
[ ? ] Lanthanide:
Properties:
Soft, silvery, malleable, and ductile metal.


Praseodymium is a chemical element, having the chemical symbol Pr. Its atomic number (the number of protons) is 59. It has a standard atomic weight of 140.9077 g•mol −1 and is a solid in its elemental form.

Praseodymium is considered a member of the "Lanthanide" class of elements. At a pressure of 101.325 kPa, it has a boiling point of 3,520 °C and a melting point of 931 °C.

Retrieved from "https://citizendium.org/wiki/index.php?title=Praseodymium&oldid=739746"