1. In base alle tue conoscenze sui legami chimici, prevedi il legame che caratterizza la formazione della fosfina \( \mathrm{PH}_{3} \) \( \begin{array}{lllll}\text { A. Metallico } & \text { B. lonico } & \text { C. Covalente omopolare } & \text { D. Covalente eteropolare } & \text { E. Covalente dativo }\end{array} \)

Please select polar molecule(s) from the following. \( \square \mathrm{CCl} 4 \) \( \square \mathrm{CHCl} 3 \) \( \square \mathrm{CO} 3 \) CO 2

Please select the molecule(s) that 1) its molecular shape is different from its electron group shape, and/or 2) the central bonds are not identical. NH3 BF3 PFF PF3

Which of the following molecule(s) have lone pair electrons and/or non-identical central bonds? NH3 BF3 PF5 PF3

Based on your worksheet results, please match the following: The electron group geometry of NH 3 is The electron group geometry of BF 3 is [Choose ] The electron group geometry of \( \mathrm{PF5} \) is [Choose ] [Choose ] electron group geometry of SF4 is geometry of PF 3 is [Choose ]

Please select polar molecule(s) from the following. NH3 BF3 PF5 PF3