Radioactivity (id: 8349d73d9)

本题目来源于试卷: Radioactivity，类别为 美国物理杯赛(Physics Bowl)

[单选题]
10.46: For the following nuclear reaction, what isxapduoh9ft n. uan+1p/3gf d6o /mc0; the unknown label9et( 9zbga/ fjed by X?
$_{11}^{22}Na + X → $_{10}{22}Ne$ +$v_e$

A. A proton
B. An electron
C. A neutron
D. An alpha particle
E. A positron


参考答案:  B


本题详细解析: 暂无

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