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Lanthanum

Density 6.166 g/cm3
Thermal Conductivity @ 0oC 0.033 cal/(s/cm/oC)
Specific Heat @ 25oC 0.045 cal/g
Heat of Fusion 1.5 kcal/g-atom
Latent Heat of Fusion kcal/g-mole
Heat of Vaporization 96 kcal/g-atom
Latent Heat of Vaporization kcal/g
Atomic Volume 22.5 W/D
First Ionizaton Energy 129 kcal/g-mole
Electronegativity 1.1 Paulings
Covalent Radius 1.69 Angstroms
Brinell Hardness  
Mohs Hardness @ 20oC  
Vickers Hardness @ 20oC  
Linear CTE @ (RANGE)oC x 10-6
Electrical Resistivity @ 298oK 79.8 mohm/cm
Electrical Conductance mohm-1
Crystal Structure Hexagonal
Curie Temperature oC
Modulus of Elasticity 21 x 10-11 dynes/cm2
Youngs Modulus psi
Thermal Neutron Cross-section 8.9 barnes/atom
Magnetic Moment 0.49 Bohr magnetrons
Magnetic Succeptibility @ 20oC 101 x 10-6 emu/mole
Tensile Strength 18900 psi
Yield Strength 18200 psi
Electron Work Function  
Vapor Pressure @ 25oC m
Poisson Ratio  
Shear Modulus  
Critical Temperature oC
Transformation Temperature oC
Critical Pressure atm
Standard Electrode Potential +2.4 Volts
Ionization Potential eV
Compressability 4.04 x 10-6 cm2/kg
Thermionic Work Function eV
Debye Temperature oK
Yield Point psi
Hall Consatant x 10-13 (ohm/cm)/gauss
Lattice Constant 10-8 cm