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29Cu63.546
Copper
Transition MetalCopper 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.
Phase: SolidAppearance: red-orange metallic luster
2, 8, 18, 1
Physical Properties
Atomic Mass63.5463 u
Density8.96 g/cm³
Melting Point1357.77 K
Boiling Point2835 K
Molar Heat24.44 J/(mol·K)
Period4
PhaseSolid
Chemical Properties
Electron Configuration1s2 2s2 2p6 3s2 3p6 4s1 3d10
Semantic Config[Ar] 3d10 4s1
Shells2, 8, 18, 1
Electron Affinity119.235 kJ/mol
Electronegativity1.9
Ionization Energies
IE1: 745.5 kJ/molIE2: 1957.9 kJ/molIE3: 3555 kJ/molIE4: 5536 kJ/molIE5: 7700 kJ/molIE6: 9900 kJ/molIE7: 13400 kJ/molIE8: 16000 kJ/molIE9: 19200 kJ/molIE10: 22400 kJ/molIE11: 25600 kJ/molIE12: 35600 kJ/molIE13: 38700 kJ/molIE14: 42000 kJ/molIE15: 46700 kJ/molIE16: 50200 kJ/molIE17: 53700 kJ/molIE18: 61100 kJ/molIE19: 64702 kJ/molIE20: 163700 kJ/molIE21: 174100 kJ/molIE22: 184900 kJ/molIE23: 198800 kJ/molIE24: 210500 kJ/molIE25: 222700 kJ/molIE26: 239100 kJ/molIE27: 249660 kJ/molIE28: 1067358 kJ/molIE29: 1116105 kJ/mol
Discovery
Discovered byMiddle East