Atomic Number
29
Copper is a chemical element with symbol Cu and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity.
29
63.546 u
transition metal
solid
8.96 g/cm³
2, 8, 18, 1
Protons: 29 • Electrons: 29 • Neutrons: Varies by isotope
Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d¹⁰
Unknown