›› Physical and chemical properties of Praseodymium

Atomic Number:59
Element Symbol:Pr
Element Name:Praseodymium
Atomic Weight:140.90765
Group Name:Lanthanoid
Period Number:6 (lanthanoid)
Ground State Configuration:[Xe] 4f3 6s2
Ground State Level:4Io9/2
Standard State:Solid
Bond Length:364.0
Atomic Radius Empirical:185
Atomic Radius Calculated:247
Electron Affinity:50
First Ionization Energy:527
Pauling Electronegativity:1.13
Allred Rochow Electronegativity:1.07
Density Of Solid:6640
Molar Volume:20.80
Velocity Of Sound:2280
Youngs Modulus:37
Rigidity Modulus:15
Bulk Modulus:29
Poissons Ratio:0.28
Brinell Hardness:481
Vickers Hardness:400
Electrical Resistivity:70
Melting Point:935
Boiling Point:3290
Thermal Conductivity:13
Coefficient Of Linear Expansion:6.7
Enthalpy Of Fusion:6.9
Enthalpy Of Vaporization:330
Enthalpy Of Atmization:356
Most Common Oxidation Numbers:3
Color:Silvery white, yellowish tinge
Discovered By:Carl F. Auer von Welsbach
Discovered At:Austria
Discovered When:1885
Origin Of Name:From the Greek words prasios didymos meaning green twin

Calculate the molecular weight of Praseodymium or molecular weight Pr.

Also see the full list of chemical elements and atomic weights.

››Compounds that contain Praseodymium

Praseodymium(III) Bromide  PrBr3
Praseodymium(III) Chloride  PrCl3
Praseodymium(II) Fluoride  PrF2
Praseodymium(III) Fluoride  PrF3
Praseodymium(IV) Fluoride  PrF4
Praseodymium(II) Iodide  PrI2
Praseodymium(III) Iodide  PrI3
Praseodymium(III) Nitride  PrN
Praseodymium(IV) Oxide  PrO2
Praseodymium(II) Sulfide  PrS
Praseodymium(II) Selenide  PrSe
Praseodymium(II) Telluride  PrTe
Praseodymium(III) Oxide  Pr2O3
Praseodymium(III) Sulfide  Pr2S3
Praseodymium(III) Telluride  Pr2Te3