○Chemical Energy : Chemical energy or bond energy results when the electrons
and nuclei arrange to minimize the electrical potential energy.
■Every compound (like salt) has stability that correlates with its chemical
■When bonds combine they release energy hence stability increases.
■When bonds separate they absorb energy hence potential energy
○Mass energy : energy can be transformed from mass.
■ this equation is used in nuclear chemistry for nuclearE mcΔ = Δ 2
●Thermal Energy - the energy of a hot object.
○The higher the temperature of a compound, the greater the thermal energy.
○Molecules that rotate are form of kinetic energy
○Molecules that vibrate are a combination of kinetic and potential energy.
○Hence, molecules can rotate and vibrate
●Radiant Energy - the energy content of electromagnetic radiation
○Very important in chemistry
○The interactions between radiations and matter helps chemicals to study the
structure of compounds.
○Radiant Energy = Electromagnetic Radiation , for example: sunlight, microwave
radiation, radiowaves and many more.
Energy Transformation - Energy can be transformed from one form to another. For example:
when you hold a hot cup of coffee during winter.
Conservation of Energy - Energy can be transformed from one form to another but it can’t be