Which statement about nuclear reactions is true? a) the rate of a nuclear reaction is affected by catalysts. b) new elements are never produced in a nuclear reaction. c) nuclear reactions involve valence electrons. d) tremendous amounts of energy are involved in nuclear reactions.

(D) Tremendous amounts of energy are involved in nuclear reactions.

In the question,

A Nuclear Reaction can be defined as the reaction which takes place between an atomic nucleus and a photon or maybe a bombarding particle, that results in the creation of a new nucleus and the possible ejection of particles also take place at the same time.

As the disintegration of an atomic nucleus is a very difficult phenomenon it involves a lot of energy to make that possible so to make that possible tremendous amount of energy is required.

Whether in Fusion or Fission the integration or disintegration requires a lot of energy. Fusion needs a lot of energy and Fission produces a lot of energy.

Therefore, the correct option is (D).

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