Question

what is atomic energy​

Answer 1

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The energy that is released through a nuclear reaction or radioactive decay process. Of particular interest is the process known as fission, which occurs in a nuclear reactor and produces energy usually in the form of heat. Atomic energy is more correctly called nuclear energy.

Answer 2

Atomic energy or energy of atoms is energy carried by atoms. The term originated in 1903 when Ernest Rutherford began to speak of the possibility of atomic energy.H. G. Wells popularized the phrase "splitting the atom", before discovery of the atomic nucleus.