問題詳情
53•下列有關元素性質的敘述,正確的有幾項?(甲)同一原子的游離能和電子親和力的大小相同,僅符號相反。(乙)氟原子的電子親和力絕對值大於其游離能。(丙)第二週期原子的電子親和力中,以氟所釋出的能量最大。(丁)第三週期原子的半徑隨原子序的增加而增大。(戊)鈉原子的第二游離能比第一游離能大。
(A)2 項
(B)3 項
(C)4 項
(D)5 項
(A)2 項
(B)3 項
(C)4 項
(D)5 項
參考答案
答案:A
難度:適中0.516129
統計:A(16),B(7),C(4),D(1),E(0)
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