Do you mean symbol? The symbol for copper is Cu. Elemnts don't have formulas.
It depends ~ if it's copper(I), then the formula is Cu2CO3, but if it's copper(II), the the formula is CuCO3
Copper sulfate has CuSO4 as its formula. Copper sulfate is also written copper (II) sulfate.
The formula for cuprous oxide is Cu2O. The formula for copper is just Cu, although many copper items are not pure copper.
Copper sulfate has the chemical formula CuSO4.
CuO2 is the chemical formula for copper dioxide.
The formula for copper(I) nitride is Cu3N. Nitride has a valency of -3
The copper(II) fluoride has the formula CuF2.
If it is Copper (I) then it is CuF
The chemical formula for copper(I) nitrite is CuNO2.
The formula may be Cu3N and name is copper nitride.
Copper(II) sulfate has the formula CuSO4.
Copper sulfate has CuSO4 as its formula. Copper sulfate is also written copper (II) sulfate.