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The top documents tagged [alpha particle alpha]
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For the Boy Scouts of America by The Pennsylvania State University, American Nuclear Society Student Section Spring 2005 Nuclear Science Merit Badge Workshop
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Unit 10: Atoms and Periodicity. An atom is the smallest particle in which matter can be divided and still be the same substance. The same type of atoms
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Radioactivity. Total mass of nucleus is always less than the sum of its protons and neutrons Compare the mass of He-4 to that of its nucleus - mass
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