CuCl2
Copper(II) chloride is already a compound; its formula is CuCl2
The chemical formula (not equation) of copper(II) chloride is CuCl2.
No copper (II) chloride is an ionic compound.
Formula: CuI2
CuOH2
Formula: Cu(OH)2
Formula: Cu(OH)2
Formula: Cu(ClO3)2
The chemical formula is: Cu(NO3)2.
PbCu2
Copper(II) sulfate has the formula CuSO4.
The proper formula unit for the combination of copper(II) ions and chloride ions is CuCl2. In this compound, each copper ion carries a 2+ charge (Cu^2+) and each chloride ion carries a 1- charge (Cl^-). The subscript 2 in the formula indicates that two chloride ions are needed to balance the charge of one copper(II) ion.