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Name Praseodymium
Atomic Number 59
Atomic Weight 140.90765 g·mol−1
Symbol Pr
Melting Point ( °C ) 1208 K
Boiling Point ( °C ) 3793 K
Density (g/cm3) 6.77 g·cm−3
Earth crust (%)
Discovery (Year) 1885
Group Lanthanide
Electron configuration [xe] 4f3 6s2
Ionization energy (eV)

Praseodymium is a rare earth element that has the symbol Pr and atomic number 59.


Discovery

Carl F. Auer von Welsbach discovered Praseodymium in 1885.


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The Chemistry Book is a social networking site for chemistry learners and enthusiasts. The site began as a wiki written for high school students located in California. There are over 550 articles, budding glossary, tutoring area, and course calendars.