Question

What occurs during a decomposition reaction?

Answer 1

A decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds. Thesere actions often involve an energy source such as heat, light, or electricity that breaks apart the bonds of compounds. ~ google

Answer 2

decomposition reaction occurs when the bonds of the reacting compounds are broken and new combinations are formed. A compound partitions into its components.