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