Lewis Structure VSEPR

According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?

• Pairs of valence electrons

• Inner shell electrons

• Mobile Electrons

• Electrons closest to the nucleus

In the correct Lewis structure for CH_4, how many unshared electron pairs surround the carbon?

• 2

• 8

• 0

• 4

What is the correct Lewis structure for NH₃?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many sigma bonds are in the nitrite ion, NO₂^1-?

• 0

• 1

• 2

• 3

Tags

NGSS.HS-PS1-1

Which of the following is the correct Lewis structure for CH₂O?

• Option A

• Option B

• Option C

• Option D

Draw the lewis dot structure for F2. Which of the following is the correct Lewis dot structure for the molecule F₂?

• A

• B

• C

• D

How many electrons are shared in each bonding line?

• 1

• 2

• 3

• 4

Which of these is the correct Lewis structure for NH₃?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many total valence electrons are participating in bonding in the molecule above?

• 8

• 4

• 2

• 3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When drawing Lewis structures, only __________ electrons are used.

• inner shell

• core

• valence

• stable