在下列描述的核过程的方程中，属于裂变的是_刷题宝

题干

在下列描述的核过程的方程中，属于裂变的是（　　）

A： $_{6}^{14}$ C→ $_{7}^{14}$ N+ $_{- 1}^{0}$ e

B： $_{92}^{238}$ U→ $_{90}^{234}$ Th+ $_{2}^{4}$ He

C： $_{1}^{3}$ H+ $_{1}^{2}$ H→ $_{2}^{4}$ He+ $_{0}^{1}$ n

D： $_{92}^{235}$ U+ $_{0}^{1}$ n→ $_{54}^{140}$ Xe+ $_{38}^{94}$ Sr+2 $_{0}^{1}$ n

上一题下一题 0.0难度选择题更新时间:2018-04-06 11:01:17

答案(点此获取答案解析）

D

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