Answer :
This energy process is called exothermic when the reactants are at a higher energy level as compared to the products while it is an endothermic process if the reactant require energy to form products.
What is the process of bonding ?
The covalent bonds that bring atoms together in the form of molecules store potential energy. This is commonly referred to as chemical energy.
When two different elements bond together to form compounds , the covalent bonds initial present are broken and new bonds are formed .
The energy level of the new formed compound will be lower than the individual atom as the difference in energy level of both the elements is released as heat.
This energy process is called exothermic when the reactants are at a higher energy level as compared to the products while it is an endothermic process if the reactant require energy to form products.
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