Facts about the Classification of the Element Praseodymium
Praseodymium classified as an element in the Lanthanide series as one of the "Rare Earth Elements" which can located in Group 3 elements of the Periodic Table and in the 6th and 7th periods. The Rare Earth Elements are divided into the Lanthanide and Actinide series. The elements in the Lanthanide series closely resemble lanthanum, and one another, in their chemical and physical properties. Their compounds are used as catalysts in the production of petroleum and synthetic products.

Brief Facts about the Discovery and History of the Element Praseodymium
Praseodymium was discovered by the Austrian chemist Baron Aver von Welsbach in 1885

Occurrence of the element Praseodymium
Found in the rare earth minerals monazite and bastnasite

Common Uses of Praseodymium
Aircraft engines
Glass
Ceramics
Arc lights
Studio lighting

The Properties of the Element Praseodymium
Name of Element : Praseodymium
Symbol of Element : Pr
Atomic Number of Praseodymium : 59
Atomic Mass: 140.90765 amu
Melting Point: 935.0 °C - 1208.15 °K
Boiling Point: 3127.0 °C - 3400.15 °K
Number of Protons/Electrons in Praseodymium : 59
Number of Neutrons in Praseodymium : 82
Crystal Structure: Hexagonal
Density @ 293 K: 6.77 g/cm3
Color of Praseodymium : silvery