Write the chemical formula under each molecule of the products. Also draw a “+” sign between the products. Tell students that in a chemical reaction, the atoms in the reactants come apart, rearrange, ...

When an equation of a chemical reaction is written, it is “balanced” to show this. A balanced chemical equation shows that no atoms are destroyed and no new atoms are created in the chemical reaction.

The ionic equation for the above process shows the charges involved. State symbols are added and ions in solution \((aq)\)are separated with a \( +\) sign.

Chemical Formula of Benzene. The chemical formula of benzene is C 6 H 6. This formula indicates that a benzene molecule consists of six carbon atoms and six hydrogen atoms.