Bromine and BrO3- Ion Properties

The video tutorial explains the process of drawing the Lewis structure for the BrO3- ion. It begins by calculating the total valence electrons and placing bromine at the center with oxygen atoms around it. The tutorial covers forming initial bonds, ensuring all atoms have full octets, and then adjusting formal charges by creating double bonds. The concept of expanded octets for bromine is discussed, and the final structure is enclosed in brackets to indicate the negative charge of the bromate ion.

How many valence electrons does Bromine contribute to the BrO3- ion?

• 8

• 6

• 5

• 7

What is the total number of valence electrons in the BrO3- ion?

• 24

• 27

• 25

• 26

Where is Bromine placed in the BrO3- Lewis structure?

• At the center

• On the outside

• Between the Oxygens

• It is not included

What is the significance of Bromine being below period 2 on the periodic table?

• It can have an expanded octet

• It has fewer valence electrons

• It forms fewer bonds

• It is more electronegative

What is the initial formal charge on Bromine before any adjustments?

• +1

• +2

• -1

• 0

How can the formal charge on Oxygen be reduced to zero?

• By adding more electrons

• By forming double bonds

• By removing electrons

• By changing the central atom

What is the final formal charge on Bromine after forming double bonds?

• +1

• +2

• 0

• -1

Why are brackets used in the final Lewis structure of BrO3-?

• To show it is a neutral molecule

• To indicate it is a positive ion

• To highlight the central atom

• To denote it is a negative ion

What is the overall charge of the BrO3- ion?

• +1

• -2

• -1

• 0

Which element in the BrO3- ion can have an expanded octet?

• Both Oxygen and Bromine

• Bromine

• Oxygen

• Neither