Materials Home
Pure Elements
Periodic Table
Element List
  by Name
  by Symbol
  by Atomic Number
  by Atomic Weight
Element Information
Resources
Bibliography
NASA Tech Briefs

Innovations developed by NASA and its industry partners in a wide array of fields.

Chemical Engineering

The industry gateway for chemical engineering and plant operations.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Power Transmission

Gear drives, bearings, motors, clutches, couplings, machine controls, sensors and components.

more free magazines
Praseodymium
59
Pr
140.908
Atomic Number 59
Atomic Weight 140.908
Electron Config. 2-2-6-2-6-10-2-6-10-3-2-6-0-0-2
Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s

Mechanical Properties Conditions
Phase Temp. (K) Pressure (Pa)
Density 6770 kg/m3 Solid  298.15 
Modulus of Elasticity 68.948 GPa Solid  0   
Poisson Ratio 0.28 Solid     
Thermal Expansion Coefficient 6.700 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 6.800 W-m 298.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 1204.15 K   101325 
Boiling Temperature 3783.15 K   101325 
Critical Temperature 8900 K    
Fusion Enthalpy 48.9 J/g 101325 
Heat Capacity 193 J/kg-K 298.149993896 100000 
Thermal Conductivity 12.5 W/m-K 300 101325 
 
Glossary