to those you would Table 1.1: Bond Angles of Selected Molecules Bond-line Structure Approximate Bond Angle C. 180 :NEC-H H-Be-H :0: H 120 H. H. H. H. Critical Thinking Questions Use VSEPR to explain why the ZHBH bond angle of BH3 is 120°. (Hint: What is one-third cs 360°?) 9.

32. Which bond will have the lowest bond energy: C=C, C-C, C-N, C-S? А. C=C В. С. С-С C-N C-S All of the bonds have the same energy D. Е.

Consider the reaction 2H₂ + O₂ --> 2H₂O. One way to imagine this reaction (this is NOT how it really happens) is by breaking all the bonds in H₂ and O2, and then forming new bonds in the H₂O. In the three boxes below, draw out: 2H₂ + O2 (Showing all the bonds) What it would look like if all the bonds in 2H₂ + O2 broke 2H₂O (showing all the bonds)

Od. XBr15 e. XBr3 Clear my choice n32 Identify the following bonds in the correct order in terms of decreasing polarity ed out of question Select one: O a. P-CI, As-CI, N-CI O b. As-CI, N-CI, P-CI O C. As-CI, P-CI, N-CI O d. P-CI, N-CI, As-CI O e. N-CI, P-CI, As-CI

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15 Select the best Lewis structure for OF2:    Group of answer choices D A B C E

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Draw the Lewis structure for PF,, including lone pairs. 3 What is the molecular shape of PF, ? Select Draw Rings More Erase trigonal pyramidal bent F O trigonal planar linear O tetrahedral What is the F-P-F bond angle? The P-F bond in PF3 is < 109.5° The molecule PF, is 180° 120° 109.5°

Which of the following bond-line formulas represent the same compound? 1 Select one: O A. 1 and 2 OB. 1 and 4 OC. 2 and 3 O D. 3 and 4 2 3 t