本题目来源于试卷: Radioactivity，类别为 美国物理杯赛(Physics Bowl)
[单选题]
16.22: For the following nuclear reacti+ i4k it-mc3i fgprm/-on, which n*;jm z*l)7 4a enald7bc( ffhone of the following choices correctly ib ;**njfz7afl mn e(4)halc7ddentifies the
quantity labeled X?
$_{19}^{40}K$ + $e^-$ → X + $_0^0Ve$
A. $_{19}^{40}K$
B. $_{18}^{40}K$
C. $_{18}^{39}Ar$
D. $_{19}^{39}K$
E. $_{18}^{40}Ar$
参考答案: E
本题详细解析:
暂无
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