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One of the oldest known metals, lead is bluish-white, lustrous, and soft. It is highly malleable, ductile, insoluble in water, and noncombustible. Lead is a poor electrical conductor and a very effective sound absorber. It is relatively impenetrable to radiation, making it an effective shield of X-ray equipment and nuclear reactors. Lead is very resistant to corrosion and is often used to contain corrosive liquids.
|Property Name||Property Value||Property Name||Property Value|
|Atomic Code||(82Pb207.2)||First Ionization Energy||171K-cal/g-mole|
|Melting Point||327.5°C||Brinell Hardness (cast)||4.2|
|Boiling Point||1749°C||Thermal Expansion||29.3ppm/°C|
|Density||11.34g/cm3||Electrical Resistivity @ 20°C||20.6µΩ-cm|
|Themal Conductivity @ 0°C||0.083cal/cm2/cm/s/°C||Crystal Structure||Cubic, face centered|
|Specific Heat @ 0°C||0.0306cal/g°C||Vapor Pressure @ 1167°C||10.0mmHg|
|Latent Heat of Fusion||5.86k-cal/g-atom||Magnetic Susceptibility||0.12x10-6cgs|
|Latent Heat of Vaporization||203cal/g||Tensile Strength||3000psi|