68. Which of the following trends is incorrect?
(A) atom size: Li < Na < K < Cs
(B) ion size: Ca2+ < K+ < Cl– < S2–
(C) electronegativity: I < Br < Cl < F
(D) boiling point: H2O < H2S < H2Se < H2Te
(E) bond angle: SbF3 < AsF3 < PF3 < NF3
詳解 (共 1 筆)
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