Copper

Transition metal

Symbol: Cu

Atomic Number: 29

Standard State: Solid

Atomic Mass: 63.55

Electron Configuration: [Ar]4s1 3d10

Electronegativity: 1.9

Atomic Radius: 140

Ionization Energy: 7.726

Melting Point: 1357.77

Boiling Point: 2835

Density: 8.933

Year Discovered: Ancient