eFunda: General Information on Element Yttrium
engineering fundamentals Element Information: Yttrium
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Yttrium
 
39
Y
88.90585
 Atomic Number 39
Atomic Weight 88.90585
Electron Config. 2-2-6-2-6-10-2-6-1-0-2
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 4470 kg/m3 Solid  298.15  0 
Modulus of Elasticity 117.211 GPa Solid  0   
Poisson Ratio 0.24 Solid     
Thermal Expansion Coefficient 1.060 × 10-5 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 5.700 × 10-7 W-m  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 1799.15 K   101325 
Boiling Temperature 3609.15 K   101325 
Critical Temperature 8950 K    
Fusion Enthalpy 128.2 J/g 0  101325 
Heat Capacity 298 J/kg-K 298.15 100000 
Thermal Conductivity 17.2 W/m-K 300 101325 

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