题目内容

8.完成下列核反应方程:
(1)${\;}_{5}^{10}$B+${\;}_{2}^{4}$He→${\;}_{7}^{13}$+${\;}_{0}^{1}n$;${\;}_{7}^{13}$N→${\;}_{6}^{13}$C+${\;}_{1}^{0}H$;
(2)${\;}_{1}^{2}$H+${\;}_{1}^{3}H$→${\;}_{2}^{4}$He+${\;}_{0}^{1}$n;
(3)${\;}_{13}^{27}$Al+${\;}_{0}^{1}$n→${\;}_{12}^{27}Mg$+${\;}_{1}^{1}$H
(4)${\;}_{7}^{14}$N+${\;}_{0}^{1}$n→${\;}_{6}^{14}$C+${\;}_{1}^{1}H$;
(5)${\;}_{1}^{2}$H+γ→${\;}_{1}^{1}$H+${\;}_{0}^{1}n$;
(6)${\;}_{11}^{23}$Na+${\;}_{1}^{2}H$→${\;}_{11}^{24}$+${\;}_{1}^{1}$H;  ${\;}_{11}^{24}$Na→${\;}_{12}^{24}$Mg+${\;}_{-1}^{0}e$.

分析 根据质量数守恒和电荷数守恒完成核反应方程,即可求解.

解答 解:根据质量数守恒和电荷数守恒得:
(1)${\;}_{5}^{10}$B+${\;}_{2}^{4}$He→${\;}_{7}^{13}$+${\;}_{0}^{1}n$,${\;}_{7}^{13}$N→${\;}_{6}^{13}$C+${\;}_{1}^{0}H$;
(2)${\;}_{1}^{2}$H+${\;}_{1}^{3}H$→${\;}_{2}^{4}$He+${\;}_{0}^{1}$n;
(3)${\;}_{13}^{27}$Al+${\;}_{0}^{1}$n→${\;}_{12}^{27}$Mg+${\;}_{1}^{1}$H
(4)${\;}_{7}^{14}$N+${\;}_{0}^{1}$n→${\;}_{6}^{14}$C+${\;}_{1}^{1}H$;
(5)${\;}_{1}^{2}$H+γ→${\;}_{1}^{1}$H+${\;}_{0}^{1}n$;
(6)${\;}_{11}^{23}$Na+${\;}_{1}^{2}H$→${\;}_{11}^{24}$+${\;}_{1}^{1}$H;  ${\;}_{11}^{24}$Na→${\;}_{12}^{24}$Mg+${\;}_{-1}^{0}e$
故答案为:(1)${\;}_{0}^{1}n$;${\;}_{1}^{0}H$;(2)${\;}_{1}^{3}H$;(3)${\;}_{12}^{27}Mg$;(4)${\;}_{1}^{1}H$;(5)${\;}_{0}^{1}n$;(6)${\;}_{1}^{2}H$;${\;}_{-1}^{0}e$

点评 本题要注意根据质量数守恒和电荷数守恒书写核能核反应方程.

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