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Element Description

Copper is reddish, lustrous, ductile, malleable metal. It is second only to silver in electrical conductivity and is also a good conductor of heat. Copper is one of the earliest known metals and is believed to have been mined for over 5,000 years. Though it occasionally occurs native, copper is often found in other minerals including cuprite, malachite, and chalcopyrite.

Property Name Property Value Property Name Property Value
Atomic Volume 7.1W/D Heat of Vaporization 72.8k-cal/g-atom
Atomic Code (29Cu63.546) First Ionization Energy 178K-cal/g-mole
CAS # 7440-50-8 Electronegativity 1.9Pauling's
Covalent Radius 1.17Angstroms
Melting Point 1083°C Vickers Hardness @ 20°C 3.0
Boiling Point 2562°C Linear Coefficient of Expansion @ 20°C 16.42x10-6K-1
Density 8.94g/cm3 Electrical Resistivity @ 20°C 1.673µΩ-cm
Themal Conductivity 0.941cal/cm2/cm/s/°C Crystal Structure Cubic, face centered
Specific Heat @ 20°C 0.0918cal/g°C Tensile Strength (annealed) 30,000psi
Latent Heat of Fusion 48.9cal/g

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