本题目来源于试卷: Half-life and decay constant，类别为 美国物理杯赛(Physics Bowl)
[单选题]
A hypothetical radio9c2s2r1e f7i dvbjx85 hkew(k acto.w5t9ot way (ive substance Aaptinium decays via alpha-emission into Physicsbowlium. The dect.wato w59 yo(ay constant for this alpha-emission is 20 $s^{-1}$.
12.41: Which one of the following statements correctly compares Physicsbowlium to Aaptinium?
A. Physicsbowlium has 4 fewer protons and 2 fewer neutrons than Aaptinium.
B. Physicsbowlium has 4 fewer neutrons and 2 fewer protons than Aaptinium.
C. Physicsbowlium has 2 fewer protons and 2 fewer neutrons than Aaptinium.
D. Physicsbowlium has 4 fewer protons than, and the same number of neutrons as, Aaptinium.
E. Physicsbowlium has 2 fewer protons than, and the same number of neutrons as, Aaptinium.
参考答案: C
本题详细解析:
暂无
| 
