Physics Unit30: Nuclear Physics and Radioactivity (id: 025817715)

本题目来源于试卷: Physics Unit30: Nuclear Physics and Radioactivity，类别为 国际高中通用物理

[单选题]
In radioactive dating, carbonsk)u g7 /:b;y1xofewd-14 is often usedwls-ej1yk.dp0 hf a :pra+k1a /r7/cx. This nucleus emits a single beta particle when it aa0dlajrwxp/y -s/+ e 1 k7pf 1kr.:chdecays. When this happens, 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

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