42. 右列各分子中,哪些具有極性? (a) NF3 (b) CH2Cl2 (c) SF4 (d) IF5 (e)XeF4(A)全部皆具極性 (B)a、 b、 c、 d(C)b、 c (D)a、 b、
7.The geometry of the SF4 molecule is(A) tetrahedral. (B) trigonal pyramidal. (C) trigonal planar. (
25.The molecular geometry of SF4 is best described as (A)tetrahedral(B)square planar (C) trigonal mo
5. Which of the following geometries is the correct one for SF4? (A) Tetrahedral (B) Seesaw (C) Squa
12. 請選出 SF4正確的分子結構。(A)四面體 (tetrahedral) (B)平面三角形 (trigonal planar) (C)雙三角錐形 (trigonal bypyramidal) (
18. What is the molecular shape of SF4 as predicted by the VSEPR theory?(A) Tetrahedral (B) Square p
12. The standard enthalpies of formation for S(g), F(g), SF4(g), and SF6(g) are +278.8, +79.0, -775,