'Stable nuclide' diaporamas de présentation

Nuclear Chemistry

Nuclear Chemistry. {21.1-Radioactivity. The Nucleus. Remember that the nucleus is composed of the two nucleons , protons and neutrons. The number of protons is the atomic number. The number of protons and neutrons together is effectively the mass of the atom. Isotopes.

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Nuclear Reactions vs. Normal Chemical Changes

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Nuclear Chemistry

Nuclear Chemistry. Stability of isotopes is based on the ratio of neutrons and protons in its nucleus. Although most nuclei are stable, some are unstable and spontaneously decay, emitting radiation. . There are no stable isotopes of elements above atomic number 83.

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