what is reactants and products
It is read from left to right. The reactants are on the left side of the equation and the products are on the right side of the equation. Or in descriptive terms: The reactants are what you have at first, and products are what you have after the chemical reaction has occurred.Source(s): Engineering major.Andrew Â· 7 years ago.he reactants are on the left side of the equation and the products are on the right side of the equation. Or in descriptive terms: The reactants are what you have at first, and products are what you have after the chemical reaction has occurred. Source(s): Engineering major. Andrew Â· 7 years ago.