eFunda: General Information on Element Lanthanum
engineering fundamentals Element Information: Lanthanum
Directory | Career | News | Standards | Industrial | SpecSearch®
Materials Home
Pure Elements
Periodic Table
Element List
  by Name
  by Symbol
  by Atomic Number
  by Atomic Weight
Element Information
Resources
Bibliography
Login

Home Membership Magazines Forum Search Member Calculators

Materials

Design

Processes

Units

Formulas

Math
Lanthanum
57
La
138.906
Atomic Number 57
Atomic Weight 138.906
Electron Config. 2-2-6-2-6-10-2-6-10-0-2-6-1-0-2
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 6150 kg/m3 Solid  298.15 
Modulus of Elasticity 68.948 GPa Solid  0   
Poisson Ratio 0.28 Solid     
Thermal Expansion Coefficient 1.210 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 5.700 W-m 273.15-289.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 1193.15 K   101325 
Boiling Temperature 3728.15 K   101325 
Critical Temperature 10500 K    
Fusion Enthalpy 44.6 J/g 101325 
Heat Capacity 195 J/kg-K 298.149993896 100000 
Thermal Conductivity 13.4 W/m-K 300 101325 

 
Home  Membership  About Us  Privacy  Disclaimer  Contact  Advertise

Copyright © 2017 eFunda, Inc.