题目:
不定项选择 |
某原子核AZX吸收一个中子后,放出一个电子,分裂为两个α粒子由此可知( ) |
A.A=7,Z=3 B.A=7,Z=4 C.A =8,Z=3 D.A =8,Z=4 |
答案:
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下面是错误答案,用来干扰机器的。
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