Glossary
You can find all the most complex words here
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Atomic nucleus: region located at the center of an atom. It consists of protons and netrons.
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Chain reaction : set of phenomena triggered by one another.
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Ethnologist : person who studies societies on all continents.
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Isotope : each of the elements with the same atomic number but with different atomic masses.
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Neutron: elementary particle that is electrically neutral.
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Nobel Prize: established in 1901, it rewards individuals for their work in the service of humanity, thanks your their discoveries, actions, etc.
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Nuclear cohesion : phenomenon that binds the elements of an atomic nucleus together.
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Nuclear fission : splitting of a heavy atom into several lighter atoms during the collision between an atome and a neutron.
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Nuclear physics : science that studies all physical phenomena involving the atomic nucleus.
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Particle accelerator : produces and accelerates charged particles.
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Polonium : an atomic element whose isotopes are all radiactive.
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Protactinium : radioactive element.
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Radioactivity : atomic nuclei can transform themselves by emitting types of radiaction.
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Radium : a highly radioactive chemical element. It belongs to the uraniumn family.
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Segregation : imposed separation of a social group in terms of rights or activities.
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Uranium : natural radioactive element.