Answer :
Nuclear reactions such as that of uranium alpha particle involves a change in an atom's nucleus and produces a different element.
Non-nuclear reactions such as reaction of sodium with chlorine on the other hand, involve only a rearrangement of electrons and do not involve changes in the nuclei.
What is a nuclear reaction?
A nuclear reaction is a process in which two nuclei, or a nucleus and an external subatomic particle, collide to produce one or more new nuclides.
There are some differences between a nuclear reaction and a non nuclear reaction.
Nuclear reactions involve a change in an atom's nucleus, usually producing a different element. Non nuclear reactions, on the opposite end involve only a rearrangement of electrons and do not involve changes in the nuclei.
In conclusion, nuclear reaction are processes in which one or more nuclides are produced from a collision between two nuclei or one nucleus and a subatomic particle.
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