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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 
 
Glossary
Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?