Unit 7 Review

What are valence electrons?

• The innermost electrons

• The outermost electrons

How many valence electrons does Carbon have

• 1

• 4

How many valence electrons does Argon have

• 8

• 11

What is the correct Lewis Dot Structure for ammonia NH3

• 
• 
• 
• 

Which is the correct molecular structure for carbon dioxide?

• 
• 
• 
• 

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

• A
• B
• C
• D

Which of the following is an acceptable Lewis structure for CH₃Cl?

• Option A
• Option B
• Option C
• Option D

Which of the following is the correct Lewis structure for water?

• A
• B
• C

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

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

Three pairs of electrons are shared in a

• Single bond
• Double bond
• Triple bond