AlCl3 Lewis Structure Concepts

The video tutorial explains how to draw the Lewis structure for AlCl3. It begins by counting the valence electrons, placing aluminum in the center, and arranging chlorine atoms around it. The tutorial demonstrates forming chemical bonds and filling the octets for chlorine, while noting that aluminum is an exception to the octet rule. The final structure is verified by checking formal charges, ensuring they are zero, indicating a stable structure.

How many valence electrons does aluminum contribute to the AlCl3 compound?

• 3

• 1

• 4

• 2

What is the total number of valence electrons in AlCl3?

• 24

• 27

• 21

• 18

Which atom is placed at the center of the AlCl3 Lewis structure?

• Hydrogen

• Chlorine

• Oxygen

• Aluminum

Why is aluminum placed in the center of the AlCl3 structure?

• It is the least electronegative

• It is the most electronegative

• It has the highest atomic number

• It has the smallest atomic radius

How many valence electrons are used to form chemical bonds in AlCl3?

• 8

• 6

• 10

• 4

What is the octet status of chlorine atoms in the AlCl3 structure?

• They have more than eight electrons

• They have incomplete octets

• They have no electrons

• They have complete octets

Why does aluminum not need a complete octet in AlCl3?

• It is an exception to the octet rule

• It has a full d-orbital

• It shares electrons with hydrogen

• It forms ionic bonds

What is the formal charge on each atom in the AlCl3 Lewis structure?

• +2

• +1

• -1

• 0