The letter "C" is the symbol for carbon.
Hydrogen carbonate is a compound, not an element, and it therefore has a formula, not a symbol: H2CO3.
The symbol equation for Potassium Carbonate is...K2CO3:)
The chemical symbol for sodium carbonate is Na2CO3.
The symbol for carbonate ion is CO3^2-, and it has a charge of 2-.
The chemical equation for zinc carbonate is ZnCO3
the symbol for calcium carbonate is Caco
CaCO3
co32-
HOCO2
CO32-
(NH4)2CO3 is the chemical formula for ammonium carbonate.
CaCO3