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Draw the most important Lewis structure for [ SiF3 ]− (assuming it exists) and then answer the following questions. The underlined atom is the central atom. All other atoms are bonded directly to the central atom.
(a) What is the electron-group geometry, according to VSEPR theory?
(b) What is the molecular geometry?
(c) Is this species polar or nonpolar? Hints: The electron-group geometry refers to the spatial arrangement of the electron pairs around the central atom. The molecular geometry refers to the spatial arrangement of the bonded atoms around the central atom.

Respuesta :

The formation of molecule can easily be shown by drawing Lewis dot structure. Since atom's Lewis dot structure has three dots. Therefore,  the geometry will be tetrahedral and shape will be pyramidal.

What is Lewis dot structure?

Lewis dot structure is a way to represent the valence electron of an element in the form of dot. These are mainly beneficial in understanding the chemical formula of covalent compound.

In compound SiF[tex]_3[/tex]⁻, Si belongs to carbon family with 4 electrons. Due to one minus charge, the total electron becomes 5. 3 electrons will be used in making bond with one electron of F. Now 2 electrons are left on the Si. So now Si has 1 lone pair and 3 bond pair. The geometry will be tetrahedral and shape will be pyramidal. the compound is non polar.

Therefore,  the geometry will be tetrahedral and shape will be pyramidal.

To learn more about Lewis dot structure, here:

https://brainly.com/question/20300458

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