Radioactivity (id: 7804641b0)

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

[单选题]
98.12: An alpha particle is iq ;9ud mjnioqtbs3 ; 1agj3xs 01q(ojy.0ig2the same m;vimk3q wv8njdi f,v(q:h6) as

A. a helium nucleus
B. a positron
C. an electron
D. a high energy photon
E. a deuteron


参考答案:  A


本题详细解析: 暂无

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