What is nuclear reaction ? mention their different types and explain unclear fission reaction
Answers
By being bombarded with neutrons, nuclei with heavy atoms can be divided into several fragments formed by nuclei with lighter atoms, with neutron emission and a large release of energy. This type of nuclear reaction is called “nuclear fission reaction”. The fission reactions that take place in nuclear reactors are produced with heavy atom nuclei (U, Pu, Th…).
Other neutron-induced nuclear reactions are:
☢️Elastic dispersion , where the neutron collides elastically with a nucleus, losing part of its energy. The higher the mass number of the nucleus it collides with, the lower its energy loss.
☢️Inelastic dispersion , produced by high energy neutrons with heavy element nuclei, radiating capture (when the neutron is absorbed by the nucleus it collides with). The probability of this happening is indirectly proportional to the neutron's energy.
Nuclear R×n are Two types are
☣️Fissionable nuclei, which are able to undergo fission reactions with neutrons of any energy.
☣️Fertile nuclei, which, as their name indicates, are able to produce fissionable nuclei through neutronic capture reactions; they also go into fission, but only with very high energy neutrons.
nuclear reaction is semantically considered to be the process in which two nuclei, or else a nucleus of an atom and a subatomic particle from outside the atom, collide to produce one or more nuclides that are different from the nuclide that began the process.
it has 2 types fission and fusion...
In nuclear physics and nuclear chemistry, nuclear fission is a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller, lighter nuclei. The fission process often produces free neutrons and gamma photons, and releases a very large amount of energy even by the energetic standards of radioactive decay.