In any chemical reaction, the products are made when the atoms in the reactants are rearranged into new substances. We can show this in a chemical equation.
In a word equation, the names of the reactant(s) and product(s) are written in words. The equation is written with the reactants on the left side and the products on the right side, separated by an arrow.
The arrow should always be shown in any chemical equation and is a shorthand way of saying "reacts to form".
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