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In the next set of boxes, enter the mass number and atomic number of the alpha particle,
which has the same composition as the nucleus of a helium (He) atom. After filling in the
boxes in the Gizmo, what is the atomic mass of the first element?
New mass number
238
U
+
92
New atomic number
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Answers: 3
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In the next set of boxes, enter the mass number and atomic number of the alpha particle,
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