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Copper (Cu)
Atomic number: 29 · Category: transition metal · Group 11 · Period 4 · Phase: Solid
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.
Atomic mass: 63.5463
Density: 8.96
Melting point: 1357.77 K
Boiling point: 2835 K
Appearance: red-orange metallic luster
Source: Wikipedia
Block: d
Molar heat: 24.44
CPK color:#c88033
Electronic structure
Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s1 3d10
Configuration (semantic): [Ar] 3d10 4s1
Shells: 2, 8, 18, 1
Electronegativity (Pauling): 1.9
Electron affinity: 119.235
Ionization energies: 745.5, 1957.9, 3555, 5536, 7700, 9900, 13400, 16000, 19200, 22400, 25600, 35600, 38700, 42000, 46700, 50200, 53700, 61100, 64702, 163700, 174100, 184900, 198800, 210500, 222700, 239100, 249660, 1067358, 1116105
Periodic position
Group: 11
Period: 4
xpos: 11
ypos: 4
Spectral/Bohr images
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3D Model