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AP Physics 2
15.8 Types of Radioactive Decay
15.7 Fission, Fusion, and Nuclear Decay
IntermediateMCQMathematicalConceptual20.8k
A two-dimensional Cartesian coordinate system with a horizontal axis labeled Z and a vertical axis labeled N. The origin is at the bottom-left corner. A smooth shaded band representing the band of stability originates near the origin and extends upward and to the right with a slightly increasing upward curvature. Above this shaded region, in the upper-left portion of the graph, a solid black dot is labeled X. A dashed arrow extends from dot X diagonally downward and to the right, pointing into the shaded band. No other labels, lines, text, or axes appear.
Plot of N versus Z showing nuclide X above the band of stability.
An unstable nuclide represented by point X lies above the band of stability on the neutron number N versus atomic number Z plot shown. Which decay mode is the nuclide most likely to undergo to reach the band of stability, and how do N and Z change during this process?

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