Nuclear Physics and Radioactivity (id: 3af0c8bd5)

本题目来源于试卷: Nuclear Physics and Radioactivity，类别为 IB物理学

[填空题]
(a) Show that the nucleus r:n ah4dq*jc xd,azr x -s,ufb7-ih2k-+b .my 9zmf8aghsv; 4 $_{4}^{8}\text{Be}$ (mass = 8.005305 u) is unstable and will decay into two $\alpha$ particles.
(b) Is $_{6}^{12}\text{C}$ stable against decay into three $\alpha$ particles?  ----待选择----stableunstable 
Show why or why not.

参考答案: stable±2%


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