試題詳解

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