Question

What occurs in a chemical reaction?

Answer 1

no new atoms or formed or destroyed.reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

Answer 2

Chemical reaction is a process in which reactants are converted into one or more substance (products), which have properties different from the reactants. In a chemical reaction there will be rearrangement of constituent atoms and molecules but there will be no change in the nucleus. Nuclear chemistry is a sub-discipline of chemistry that involves the chemical reaction unstable radioactive elements.