Chemistry Second Semester Exam Review

In a covalent bond, which two elements bond?

• Two metals

• Two nonmetals

• Metal and a nonmetal

In a triple bond, a total of _____ electrons are shared.

• Two

• Three

• Four

• Six

How many total electrons would be needed to draw the Lewis structure: HCO₂^1-?

• 16

• 17

• 18

What is the correct Lewis structure for NI₃?

• 
• 
• 
• 

What is the correct Lewis structure for SO₂?

• 
• 
• 
• 

What is the correct molecular shape for BH₃?

• 
• 
• 
• 

What is the correct molecular shape for CH₄?

• 
• 
• 
• 

What is the correct molecular shape for PF₅?

• 
• 
• 

What is the correct molecular shape for PF₆^1-?

• 
• 
• 

Is this molecule polar or nonpolar?

• Nonpolar

• Polar