Valence Electrons in CBr4

The video tutorial explains the Lewis structure of Carbon Tetrabromide (CBr4). It begins by identifying the valence electrons of Carbon and Bromine, calculating a total of 32 valence electrons. Carbon, being the least electronegative, is placed at the center with Bromine atoms surrounding it. The tutorial demonstrates forming chemical bonds and filling the octets for each atom, ensuring all 32 valence electrons are used. The final structure shows each Bromine and the central Carbon having 8 valence electrons, confirming the correct Lewis structure for CBr4.

How many valence electrons does Carbon have in the CBr4 molecule?

• 8

• 2

• 4

• 6

What is the total number of valence electrons in the CBr4 molecule?

• 28

• 34

• 32

• 30

Which atom is placed at the center of the CBr4 Lewis structure?

• Oxygen

• Hydrogen

• Carbon

• Bromine

How many electrons are used to form chemical bonds between Carbon and Bromine in CBr4?

• 4

• 6

• 8

• 10

What is the correct number of valence electrons around each Bromine atom in the final CBr4 structure?

• 6

• 7

• 8

• 9