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CopperCu Electron 1 Electron 2 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 17 Electron 18 Electron 1

Copper is a chemical element with symbol Cu (from Latin:cuprum) and atomic number 29. It is a soft, malleable and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a reddish-orange color.

29 Atomic Number
63.55  u Atomic Mass
1357.75  K Melting Point
2835  K Boiling Point
8.96  g/cm³ Density
1.6  Å Atomic Radius
1.32  Å Covalent Radius
1.9 Electronegativity
7.73  eV First Ionization Energy
119.23 Electron Affinity
4 Number of Shells
2, 8, 18, 1 Electron Shell Occupations
0.39  J/g Specific Heat