C o 3 2
The hydrogen carbonate ion has the formula HCO3-.
Calcium ion is Ca2+ and the carbonate ion is CO32-
Zinc carbonate is an ionic compound with the formula ZnCO3.
The polyatomic ion is a carbonate ion, with formula CO3-2.
MeCO3 where Me is a metal.
The polyatomic ion is a carbonate ion, with formula CO3-2.
That would be ammonium carbonate (NH4)2CO3
CO32-.
The chemical formula of carbonate anion is (CO3)2-.The chemical formula of magnesium cation is Mg2+.
The formula for plumbic carbonate is PbCO3. So there is one carbonate ion (CO3)-2 in the unit formula for PbCO3. A more modern name for this compound is lead (II) carbonate.
Here exist: 1 ion Mg+ and ion (CO3)-.
The polyatomic ion formula for carbonate is CO3^2-.