Valence Electrons in TeCl4

The video tutorial explains the Lewis structure of TeCl4, starting with the identification of valence electrons for tellurium and chlorine. It describes the process of arranging chlorine atoms around tellurium, forming bonds, and distributing electrons. The concept of an expanded octet is introduced, explaining why tellurium can have more than eight valence electrons. The tutorial concludes with a summary of the completed Lewis structure.

What is the total number of valence electrons in TeCl4?

• 36

• 28

• 34

• 40

Which element is placed at the center of the Lewis structure for TeCl4?

• Oxygen

• Thorium

• Hydrogen

• Chlorine

How many valence electrons are initially used to form chemical bonds in TeCl4?

• 12

• 8

• 16

• 10

What is the total number of valence electrons used around the chlorine atoms in TeCl4?

• 24

• 32

• 20

• 28

Why can thorium have more than eight valence electrons in TeCl4?

• It is in Period 2 of the periodic table.

• It is below Period 2 on the periodic table.

• It is a noble gas.

• It is in Period 1 of the periodic table.

What is the significance of the extra pair of valence electrons in TeCl4?

• They are shared with another molecule.

• They are placed on the central atom.

• They are removed from the structure.

• They are used to form a double bond.