A. \(_{2}^{4}He\text{ }+\text{ }_{13}^{27}Al\text{ }\to \text{ }_{15}^{30}P\text{ }+\text{ }_{0}^{1}n\).
B. \(_{6}^{11}C\to \text{ }_{0}^{1}e\text{ }+\text{ }_{5}^{11}B\).
C. \(_{6}^{14}C\to \text{ }_{-1}^{0}e\text{ }+\text{ }_{7}^{14}N\).
D. \(_{84}^{210}PO\to \text{ }_{2}^{4}He\text{ }+\text{ }_{82}^{206}Pb\).
D
Ta có: \(_{84}^{210}PO\to \text{ }_{2}^{4}He\text{ }+\text{ }_{82}^{206}Pb\).
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