Cu(Cn)2 Compound Name

The compound Cu(CN)2 is named copper(II) cyanide. The "Cu" represents the chemical symbol for copper and the "(CN)2" indicates that there are two cyanide ions, each consisting of one carbon atom and one nitrogen atom bonded together. The Roman numeral "II" in parentheses after copper represents the ionic charge of the copper ion, which is positive two (Cu2+). Therefore, the full name of this compound is copper(II) cyanide.