Arsenic in AsF5 Lewis Structure

The video tutorial explains the process of drawing the Lewis structure for AsF5. It begins by counting the valence electrons for arsenic and fluorine, positioning arsenic at the center due to its lower electronegativity, and surrounding it with five fluorine atoms. The tutorial then details the formation of chemical bonds and the completion of octets for fluorine. It highlights arsenic's ability to hold more than eight electrons due to its position in period 4 of the periodic table. The video concludes by verifying that all formal charges are zero, ensuring the structure's stability.

How many valence electrons does Arsenic contribute in the AsF5 Lewis structure?

• 5

• 9

• 3

• 7

What is the total number of valence electrons in the AsF5 molecule?

• 40

• 35

• 45

• 30

Where is Arsenic placed in the AsF5 Lewis structure?

• At the bottom

• At the center

• On the side

• At the top

How many electrons are used in forming chemical bonds between Arsenic and Fluorine?

• 20

• 15

• 10

• 5

Why can Arsenic have more than 8 valence electrons in AsF5?

• It is a noble gas

• It is in period 3 of the periodic table

• It is in period 4 of the periodic table

• It is a metal

What is the formal charge on the atoms in the AsF5 Lewis structure?

• 0

• +2

• -1

• +1