Lewis Structures and Formal Charge

What is the correct structure for BF₃?

• Option A.

• Option B.

• Option C.

• Option D.

Tags

NGSS.HS-PS1-3

Why is this Lewis Structure incorrect? Choose all that apply.

• There are too many bonds around Si.

• There should only be single bonds in this Lewis Structure.

• The Structure is missing a triple bond.

• Chlorine only has 6 electrons surrounding it.

Tags

NGSS.HS-PS1-2

Which Lewis Dot Model drawing correctly shows an O₂ molecule?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Which of the following is the correct Lewis structure for the compound PBr₃?

• structure A
• structure B
• structure C
• structure D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In CO₂, how many UNSHARED pairs of electrons does each oxygen have?

• 2
• 1
• 4
• 6

What is the correct Lewis Dot Structure for ammonia NH3

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Calculate the Formal Charge for the Oxygen Labeled 1 

• -1
• +1
• 0
• -2