In a chemical equation, what does the symbol (s) indicate?

In a chemical equation, the symbol (s) denotes a solid state of a substance. This notation is used to indicate that the reactant or product exists in a solid form at the specified temperature and pressure during the reaction. Understanding this symbol is essential because it provides valuable information about the physical state of the chemicals involved in the reaction, which can influence various factors, including solubility, reactivity, and the overall dynamics of the reaction.

For example, when metals or salts precipitate out of solution, they are represented with the (s) symbol, indicating that they have formed a solid product. This clarity helps chemists predict the outcomes of reactions and understand the nature of the substances they are working with.