Lewis Structures and Valence Electrons

The video tutorial explains the process of converting the Lewis structure of XeF3 minus to XeF3 plus. It begins with an overview of the completed structure for XeF3 minus and transitions to the calculation of valence electrons for XeF3 plus, highlighting the change from 30 to 28 valence electrons. The tutorial then demonstrates how to adjust the Lewis structure by removing a pair of valence electrons and ensuring that the fluorine atoms obey the octet rule while allowing xenon to have an expanded octet. The video concludes with a completed Lewis structure for XeF3 plus, using all 28 valence electrons.

What is the starting point for creating the Lewis structure of XeF3+?

• The structure of XeF3-

• The structure of XeF6

• The structure of XeF2

• The structure of XeF4

How many valence electrons are present in XeF3+?

• 27

• 30

• 28

• 29

What change is made to the valence electrons when transitioning from XeF3- to XeF3+?

• Remove one pair of electrons

• Add one electron

• Remove one electron

• Add one pair of electrons

Which rule must the fluorine atoms obey in the Lewis structure of XeF3+?

• Expanded octet rule

• Duet rule

• Triple bond rule

• Octet rule

How many valence electrons does xenon have in the center of the XeF3+ structure?

• 8

• 10

• 12

• 6

What is the significance of xenon having an expanded octet in XeF3+?

• It makes xenon unstable

• It allows xenon to form more bonds

• It violates the octet rule

• It is not possible for xenon

What is the total number of valence electrons used in the Lewis structure of XeF3+?

• 28

• 32

• 30

• 26