Alpha particle is, two protons and two electrons, two neutrons and two electrons, two protons and two neutrons, What types of nuclear reactions do we recognize?, Repulsion and attraction, Fusion and synthesis, Fusion and fission, A moderator is used to , slow down the neutrons, accelerate the neutrons, multiply the number of neutrons, How many primary neutrons are there when the U nucleus decays?, 1, 2–3, 5, When two light nuclei merge, is the binding energy, needed, released, zero, What Uranium nuclide is used for fission?, U 235, U 238, U 236, What quantity corresponds to the stability of a nucleus?, energy of the nucleus, binding energy of the nucleus, binding energy per nucleon, Heavy stable nuclei contain , more protons than neutrons, more neutrons than protons, equal numbers of protons and neutrons, The most stable nuclides have approximately, 56 nucleons, 25 nucleons, 230 nucleons, The mass defect of a nucleus corresponds to, the binding energy, the mass of the nucleus, the volume of the nucleus.

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