Symbol Cu Atomic radius: pm 128 Fusion: kJ/Mole 13.26
Name Copper Ionic radius: pm (+2)73 Boiling point: C 2562
Atomic number 29 Electron affinity 1.24 Melting point: C 1085
Atomic weight 63.55 1st  ion potential 7.73 Specific Heat Cap: J/(g K) 0.39
Classification Trans metal Natural form Solid Thermal Cond: W/(cm K) 4.01
Configuration [Ar]3d104s1 Crystal structure FCC Electrical Cond 0.596
Oxidation states 2,1 Density 8.96 Abundance: mg/kg-crust 60
Electronegativity 1.90 Vaporization: kJ/Mole 304.6    
Copper was first used as a substitute for stone by Neolithic man. Uses - electrical wire, bronze, coins, jewelry, plumbing