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03-01-2016
Chemistry

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48 When an atom of the unstable isotope Na-24 decays, it becomes an atom of Mg-24 because the Na-24 atom spontaneously releases(1) an alpha particle (3) a neutron(2) a beta particle (4) a positron

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03-01-2016

(1) a beta particle is your answer. Na-24 decays through beta decay, turning a neutron into a proton, electron (beta particle), and an neutrino.

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