Physics Unit30: Nuclear Physics and Radioactivity (id: f658e7461)

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本题目来源于试卷: Physics Unit30: Nuclear Physics and Radioactivity，类别为 Generic Physics

[单选题]
In radioactive dating, carbon-14 is often used. This nucleus emitjv9ba ;67q, n 4)azs o/m,obsqe4lyfbs a singlew/b b6b:hzxx + beta particle when it decays. When this haz :+b/xb wbh6xppens, the resulting nucleus is

A. still carbon-14.
B. boron-14.
C. nitrogen-14.
D. carbon-15.
E. carbon-13.


参考答案:  C


本题详细解析: 暂无