Copper element has 29 protons, 35 neutrons and 29 electrons.
Copper is a solid metal at room temperature, melting point 1084 ̊C.
Copper element is easy to lose 1 or 2 eletrons, and becomes Cu1+ or Cu2+ ions.
» Common Copper compounds:
• Copper(I) Oxide, Cu2O
• Copper(II) Oxide, CuO
• Copper(II) Hydroxide, Cu(OH)2
• Copper(II) Sulfate, CuSO4
• Copper(I) Carbonate, Cu2CO3
• Copper(II) Nitrate Hexahydrate, Cu(NO3)2.6H2O
• Copper(II) Nitrate, Cu(NO3)2
• Copper(II) Sulfate Pentahydrate, CuSO4.5H2O
• Copper(II) Iodide, CuI2