問題詳情
12. Which of the following statements is correct?
(A)Carbon has electron affinity more favorable (exothermic) than nitrogen
(B)H has the radius smaller than He
(C) For Te, S, and Se, the order of increasing atomic size is Se < S < Te
(D) Among Nb, Zn, and Si, Zn has the smallest radius
(E)Among Cl, In, and Se, In has the smallest radius
(A)Carbon has electron affinity more favorable (exothermic) than nitrogen
(B)H has the radius smaller than He
(C) For Te, S, and Se, the order of increasing atomic size is Se < S < Te
(D) Among Nb, Zn, and Si, Zn has the smallest radius
(E)Among Cl, In, and Se, In has the smallest radius
參考答案
答案：A
難度：非常困難0.1875
統計：A(3),B(6),C(2),D(4),E(0)
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